Boulder, Colorado (English Wikipedia)

Frederic L. Paxson (1906). Francis Ramaley (ed.). "The Territory of Jefferson: A Spontaneous Commonwealth". The University of Colorado Studies: General Series A. 3. Boulder, Colorado: University of Colorado: 15–18. Retrieved November 7, 2024.
"An Act Defining the Boundaries of Counties and for other purposes". Provisional Laws and Joint Resolutions of the General Assembly of Jefferson Territory. General Assembly of the Provisional Government of the Territory of Jefferson. November 28, 1859. Retrieved November 7, 2024.

boulder-colorado-travel.com (Global: low place; English: low place)

"C.U. History". BoulderGuide. June 30, 2009. Archived from the original on November 5, 2014. Retrieved December 9, 2010.

boulder-dushanbe.org (Global: low place; English: low place)

"Welcome to Boulder-Dushanbe Sister Cities". Boulder-Dushanbe Sister Cities. Archived from the original on November 26, 2020. Retrieved December 4, 2020.

boulder-mante.org (Global: low place; English: low place)

"Mural". Boulder-Mante Sister City Project. Archived from the original on August 13, 2015. Retrieved December 4, 2020.

boulder.co.us (Global: low place; English: low place)

bcn.boulder.co.us

"Did You Know?... The Story of Boulder, Colorado: Its Struggles To Reconcile Growth With Environmental Preservation". League of Women Voters of Boulder Valley. Archived from the original on July 26, 2006.
"Boulder Area Sustainability Information Network". Boulder Community Network. August 27, 1999. Archived from the original on September 28, 2011. Retrieved December 9, 2010.

gisims.ci.boulder.co.us

"GOBikeBoulder.net". City of Boulder. Retrieved October 20, 2014. Login as guest required.{{cite web}}: CS1 maint: deprecated archival service (link)

boulderballet.org (Global: low place; English: low place)

"Our Story – Boulder Ballet". Archived from the original on January 13, 2019. Retrieved January 13, 2019.

bouldercolorado.gov (Global: low place; English: low place)

bouldercolorado.gov

"Boulder Land Acknowledgment". City of Boulder. Retrieved October 17, 2023.
"Historic Preservation Program Background". City of Boulder. Archived from the original on October 25, 2013. Retrieved September 3, 2012.
"Urban Wildlife". Bouldercolorado.gov. Archived from the original on October 26, 2013. Retrieved July 23, 2013.
"Park Volunteer Opportunities". Bouldercolorado.gov. September 25, 2012. Archived from the original on October 26, 2013.
"OSMP closures". Bouldercolorado.gov. Archived from the original on August 24, 2013. Retrieved July 23, 2013.
"Mosquito Control Program". Bouldercolorado.gov. July 6, 2012. Archived from the original on October 25, 2013. Retrieved July 23, 2013.
"Forest Ecosystem Management Plan". Bouldercolorado.gov. Archived from the original on May 29, 2018. Retrieved May 28, 2018.
"Boulder, Colorado ACFR 2022". bouldercolorado.gov. Archived from the original on June 8, 2024. Retrieved June 8, 2024.
"Climate". bouldercolorado.gov. Archived from the original on May 3, 2021. Retrieved May 3, 2021.
"Energy". bouldercolorado.gov. Archived from the original on June 15, 2021. Retrieved May 3, 2021.
"Greenhouse Gas Emissions From City Operations and Facilities". bouldercolorado.gov. Archived from the original on May 3, 2021. Retrieved May 3, 2021.
"Local Renewable Generation". bouldercolorado.gov. Archived from the original on June 14, 2021. Retrieved May 3, 2021.
"Climate Mobilization Action Plan (CMAP)". bouldercolorado.gov. Archived from the original on June 15, 2021. Retrieved September 18, 2020.
"Boulder 8 TV". bouldercolorado.gov. Archived from the original on September 17, 2018. Retrieved September 18, 2018.
"Get to Know Boulder's 10 Sister Cities". City of Boulder. Archived from the original on January 22, 2021. Retrieved December 4, 2020.
"Sister City Plaza". City of Boulder. Archived from the original on April 4, 2015. Retrieved December 4, 2020.

www-static.bouldercolorado.gov

Mary Reilly-McNellan. "History of Boulder Mountain Parks" (PDF). Archived from the original (PDF) on September 23, 2020. Retrieved October 2, 2013.

bouldercoloradousa.com (Global: low place; English: low place)

"Boulder Elevation". www.BoulderColoradoUSA.com. Archived from the original on August 7, 2016. Retrieved February 10, 2016.
"Catch & Release Movie". www.bouldercoloradousa.com. Retrieved September 27, 2024.

bouldercounty.org (Global: low place; English: low place)

"Acres of Open Space". Boulder County. Archived from the original on December 30, 2016. Retrieved September 3, 2012.

boulderlibrary.org (Global: low place; English: low place)

localhistory.boulderlibrary.org

"Carnegie Library – Boulder Planet, 1996–2000". Archived from the original on August 17, 2018. Retrieved September 18, 2018.

boulderphil.org (Global: low place; English: low place)

Hickman, Holly (September 7, 2009). "About Boulder Phil". Boulderphil.org. Archived from the original on August 8, 2012. Retrieved September 3, 2012.

boulderreportinglab.org (Global: low place; English: low place)

"New Boulder City Council seated; Tara Winer named mayor pro tem". Boulder Reporting Lab. Retrieved December 4, 2025.
Drugan, Tim (December 16, 2022). "Southern Arapaho elder says Boulder should amend Fort Chambers sign but leave it up". The Boulder Reporting Lab. Archived from the original on July 9, 2024. Retrieved July 9, 2024.

boulderweekly.com (Global: low place; English: low place)

Haggard, Lucy (August 19, 2021). "Feeling young and youthful and crazy". Boulder Weekly. Archived from the original on October 2, 2022. Retrieved October 2, 2022.

brockpub.com (Global: low place; English: low place)

"Boulder Magazine | Brock Publishing". May 8, 2014. Archived from the original on September 18, 2018. Retrieved September 18, 2018.

bvsd.org (Global: low place; English: low place)

"Charter Schools - Boulder Valley School District". www.bvsd.org. Retrieved February 15, 2026.

carbontax.org (Global: low place; English: low place)

"Where Carbon is Taxed". Archived from the original on August 20, 2013. Retrieved September 3, 2013.

cbsnews.com (Global: 136^th place; English: 93^rd place)

Portillo, Ashley (January 19, 2024). "City Council in Boulder, one of Colorado's least affordable cities, votes to remove cap on residential growth". CBS News. Archived from the original on January 23, 2024. Retrieved January 23, 2024.

census.gov (Global: 18^th place; English: 18^th place)

census.gov

"Decennial Census P.L. 94-171 Redistricting Data". United States Census Bureau, United States Department of Commerce. August 12, 2021. Archived from the original on December 17, 2021. Retrieved September 7, 2021.
"US Census Bureau City and Town Population Totals: 2020-2024". census.gov. United States Census Bureau. Retrieved May 15, 2025.
"Commuting in the United States: 2009" (PDF). American Community Survey Reports. September 2011. Archived from the original (PDF) on July 26, 2017. Retrieved December 26, 2017.
McKenzie, Brian (August 2015). "Who Drives to Work? Commuting by Automobile in the United States: 2013" (PDF). American Survey Reports. Archived (PDF) from the original on August 13, 2015. Retrieved December 26, 2017.

data.census.gov

factfinder.census.gov

"Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data (DP-1): Boulder city, Colorado". U.S. Census Bureau, American Factfinder. Retrieved February 5, 2013.{{cite web}}: CS1 maint: deprecated archival service (link)
"Selected Economic Characteristics: 2011 American Community Survey 1-Year Estimates (DP03): Boulder City, Colorado". U.S. Census Bureau, American Factfinder. Retrieved February 5, 2013.{{cite web}}: CS1 maint: deprecated archival service (link)

colorado.com (Global: low place; English: low place)

Mork and Mindy: New York Deli. "Mork and Mindy". Colorado.com. Archived from the original on February 2, 2015. Retrieved September 3, 2012.

colorado.edu (Global: 2,916^th place; English: 1,912^th place)

"University of Colorado History". University of Colorado. Archived from the original on July 17, 2017. Retrieved February 10, 2016.

colorado.gov (Global: 4,875^th place; English: 2,492^nd place)

dola.colorado.gov

"Active Colorado Municipalities". Colorado Department of Local Affairs. Retrieved December 26, 2025.
"Colorado Counties". Colorado Department of Local Affairs. Retrieved January 31, 2025.

colorado.gov

"Colorado Municipal Incorporations". State of Colorado, Department of Personnel & Administration, Colorado State Archives. December 1, 2004. Archived from the original on September 27, 2007. Retrieved September 2, 2007.

coloradoencyclopedia.org (Global: low place; English: low place)

"Boulder, Colorado". Colorado Encyclopedia. Archived from the original on June 7, 2023. Retrieved October 17, 2023.

coloradogives.org (Global: low place; English: low place)

"Boulder Bach Festival". www.coloradogives.org. Retrieved March 28, 2022.

coloradohistoricnewspapers.org (Global: low place; English: 5,021^st place)

"Acquitted Jello Biafra says battle goes on". The Rocky Mountain News. September 11, 1987. Retrieved November 22, 2025.
"Doolittle raid recalled by a man who was there". Lafayette News. April 8, 1987. Retrieved November 22, 2025.
"Ensign Arleigh Burke of Boulder Stationed at a Torpedo School". Boulder Daily Camera. June 3, 1924. Retrieved November 22, 2025.
"CU astronaut-alum Scott Carpenter to give talk, sign books". The Mountain-Ear. January 23, 2003. Retrieved November 22, 2025.
"Nobel-Winning Chemist Returns to CU". Aspen Daily News. October 14, 1989. Retrieved November 22, 2025.
"Artistic genius flows from retarded man". The Rocky Mountain News. February 13, 1983. Retrieved November 22, 2025.
"Kristin Davis in the City". Aspen Daily News. January 1, 2004. Retrieved November 22, 2025.
"Green charm plays pivotal role in trial". The Rocky Mountain News. November 17, 1971. Retrieved November 22, 2025.
"Niwot, Indian Name, Suggested for U. S. Forest". Boulder Daily Camera. April 11, 1929. Retrieved December 11, 2025.
"Four NFL hosts are a combined 30-2 at home". Aspen Daily News. January 8, 2015. Retrieved November 22, 2025.
"Young multimillionaire vies for seat". The Steamboat Today. October 30, 2000. Retrieved November 22, 2025.
"Boulder man returns home after scaling Mt. Everest". The Rocky Mountain News. June 5, 1983. Retrieved December 11, 2025.

dailycamera.com (Global: low place; English: 5,505^th place)

"Goats keep weeds under control at Boulder Reservoir". Daily Camera. July 28, 2010. Archived from the original on July 25, 2013. Retrieved September 3, 2012.
Ryan Thorburn (May 30, 2007). "Bosley hopes race No. 30 runs smoother". Daily Camera. Archived from the original on August 11, 2007.
Brittany Anas (February 2, 2011). "CU-Boulder's Conference on World Affairs announces 'What Matters' theme". Daily Camera. Archived from the original on September 18, 2018. Retrieved January 23, 2016.
Miller, Vanessa; Snider, Laura (July 8, 2010). "Boulder police join in Thursday cruiser rides". Boulder Daily Camera. Retrieved July 30, 2026.
Miller, Vanessa (August 14, 2009). "Cruisers Closing Ride to Public". Daily Camera. Archived from the original on August 25, 2012. Retrieved June 25, 2013.
Miller, Vanessa (August 14, 2009). "Cruisers closing ride to public". Boulder Daily Camera. Retrieved July 30, 2026.
"Sam Carter spared prison in Mapleton elk case, sentenced to 4 years probation". Archived from the original on May 3, 2015. Retrieved June 29, 2015.
Staff, Camera (May 30, 2013). "Boulder Cruisers Ride for Mapleton Elk". Daily Camera. Archived from the original on August 26, 2014. Retrieved June 25, 2013.
"Boulder aims to stake its claim for World's Shortest St. Patrick's Day Parade". March 9, 2023. Retrieved June 3, 2025.
"Boulder International Film Festival celebrates 10 years". February 7, 2014. Retrieved June 3, 2025.
"Boulder's Flatiron Freddy is ready with a Groundhog's Day prediction". January 31, 2025. Retrieved June 3, 2025.
Urie, Heath (May 20, 2013). "Boulder B-cycle launches high-tech bike-sharing program with 100 bikes". Daily Camera. Archived from the original on October 29, 2013. Retrieved October 24, 2013.
Sarah Kuta (April 29, 2011). "'The Office' ex-boss Michael Scott moving to Boulder". Daily Camera. Archived from the original on October 30, 2012. Retrieved October 8, 2011.

denverpost.com (Global: 937^th place; English: 484^th place)

Camera |, Boulder Daily (April 1, 2019). "Heavy commuting into Boulder drives challenges for city". The Denver Post. Archived from the original on July 25, 2023. Retrieved May 23, 2023.
Whaley, Monte (June 29, 2012). "RTD and other officials vow to finish Denver's Northwest Rail Line". Denver Post. Archived from the original on April 28, 2013. Retrieved April 25, 2013.

dri.edu (Global: 7,028^th place; English: 4,603^rd place)

wrcc.dri.edu

"Boulder, Colorado NCDC 1981–2010 Monthly Normals". WRCC. Archived from the original on September 10, 2015. Retrieved November 17, 2017.

earlymusicamerica.org (Global: low place; English: low place)

"Boulder Bach Festival Goes Beyond Bach". Early Music America. May 13, 2019. Archived from the original on January 18, 2022. Retrieved March 28, 2022.

elephantjournal.com (Global: low place; English: low place)

Waylon Lewis (June 1, 2013). "Something's Rotten in the People's Republic of Boulder. Three Things, to be Exact". Elephant Journal. Archived from the original on September 9, 2015. Retrieved November 29, 2013.

flatironsclimbing.com (Global: low place; English: low place)

"Flatirons Climbing Council Wildlife Closures". Flatirons Climbing Council. Archived from the original on February 13, 2009. Retrieved December 9, 2010.

forbes.com (Global: 71^st place; English: 54^th place)

"Best Places For Business and Careers – Forbes". Forbes. Archived from the original on August 8, 2013. Retrieved January 18, 2014.

gcr1.com (Global: 1,852^nd place; English: 910^th place)

"AirportIQ 5010". BOULDER MUNI. September 18, 2014. Archived from the original on October 26, 2014. Retrieved October 20, 2014.

ghostseekers.com (Global: low place; English: low place)

"Brief History of Colorado". ghostseekers.com. Archived from the original on March 7, 2008.

govoutreach.com (Global: low place; English: low place)

user.govoutreach.com

"Prairie Dogs & Wild Birds Wildlife Protection Ordinance". City of Boulder. January 18, 2005. Archived from the original on June 30, 2014. Retrieved December 9, 2010.

greyhill.com (Global: low place; English: low place)

"Gross Metropolitan Product". Greyhill Advisors. Archived from the original on November 6, 2011. Retrieved September 29, 2011.

heyreverb.com (Global: low place; English: low place)

"Radio's eTown, a Boulder stage for James Taylor, Emmylou Harris, Buddy Guy, Neko Case even Al Gore". Reverb. Denver Post. January 4, 2013. Archived from the original on January 29, 2016. Retrieved January 23, 2016.

hollywoodreporter.com (Global: 30^th place; English: 22^nd place)

Gardner, Mia Galuppo, Chris (March 27, 2025). "Goodbye Park City: Sundance Film Festival Heading to Colorado".{{cite web}}: CS1 maint: multiple names: authors list (link)

huffingtonpost.com (Global: 212^th place; English: 141^st place)

Walter, Claire (March 18, 2010). "KBCO Abandoning Boulder". Huffington Post. Archived from the original on March 31, 2013. Retrieved May 14, 2018.

irs.gov (Global: 3,704^th place; English: 1,954^th place)

apps.irs.gov

"WARMSHOWERS ORG" (PDF). Internal Revenue Service. 2017. Archived (PDF) from the original on December 26, 2019.

justia.com (Global: 673^rd place; English: 333^rd place)

law.justia.com

"Colorado Revised Statutes". Justia. Archived from the original on February 4, 2020. Retrieved February 4, 2020.

kdvr.com (Global: low place; English: 8,459^th place)

"Boulder wins bid to host the Sundance Film Festival starting in 2027". FOX31 Denver. March 27, 2025. Retrieved March 27, 2025.
Engelbart, Drew (July 24, 2016). "RTD's B Line and Westminster Station open". FOX31 Denver. Archived from the original on July 26, 2016. Retrieved February 13, 2016.

kgnu.org (Global: low place; English: low place)

"About us". KGNU. Archived from the original on April 23, 2009. Retrieved June 24, 2009.

kktv.com (Global: low place; English: low place)

Heins, Nicole (April 13, 2021). "Amtrak hopes to reduce I-25 traffic by creating a passenger rail along the Front Range". KKTV 11 News. Retrieved January 1, 2022.

lemonspongecake.org (Global: low place; English: low place)

"contemporary ballet choreographer". Lemon Sponge Cake Contemporary Ballet. Archived from the original on January 13, 2019. Retrieved January 13, 2019.

likealocalguide.com (Global: low place; English: low place)

"Thursday Night Cruiser Ride - in Boulder - LikeALocal Guide". www.likealocalguide.com. Retrieved May 3, 2025.

loc.gov (Global: 63^rd place; English: 47^th place)

Thirty-sixth United States Congress (February 28, 1861). "An Act To provide a temporary Government for the Territory of Colorado" (PDF). Library of Congress. Retrieved December 24, 2024.

lookout.co (Global: low place; English: low place)

Neely, Christopher (November 13, 2023). "Rain-rich, faucet-famine: The irony of Boulder Creek's ongoing water woes". Lookout Santa Cruz. Retrieved February 25, 2026.

mountainproject.com (Global: low place; English: low place)

"Eldorado Canyon State Park Rock Climbing". Archived from the original on July 13, 2023. Retrieved July 16, 2023.

naco.org (Global: 684^th place; English: 1,293^rd place)

"Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.

nationalmap.gov (Global: 102^nd place; English: 67^th place)

edits.nationalmap.gov

U.S. Geological Survey Geographic Names Information System: Boulder, Colorado

newyorker.com (Global: 191^st place; English: 122^nd place)

Tolentino, Jia (March 11, 2019). "Outdoor Voices Blurs the Lines Between Working Out and Everything Else". The New Yorker. ISSN 0028-792X. Retrieved December 29, 2024.

noaa.gov (Global: 111^th place; English: 78^th place)

ncei.noaa.gov

"U.S. Climate Normals Quick Access". Archived from the original on August 8, 2022. Retrieved August 8, 2022.

npr.org (Global: 114^th place; English: 75^th place)

Barco, Mandalit del (March 27, 2025). "The Sundance Film Festival announces its new home: Boulder, Colorado". NPR. Retrieved March 27, 2025.

nytimes.com (Global: 7^th place; English: 7^th place)

Dougherty, Conor (July 3, 2016). "How Anti-Growth Sentiment, Reflected in Zoning Laws, Thwarts Equality". The New York Times. Archived from the original on June 7, 2021. Retrieved July 4, 2016.
Kaye, Nick (December 23, 2005). "Polar Bear Club Swims: New Year Parties (Don't Hold the Ice)". The New York Times. Archived from the original on January 17, 2023. Retrieved February 21, 2017.

paladin-press.com (Global: low place; English: low place)

"Paladin Press". Paladin Press. Archived from the original on April 25, 2006. Retrieved April 25, 2006.
"Paladin Press Company History". Paladin-press.com. Archived from the original on September 21, 2012. Retrieved September 3, 2012.

plantmaps.com (Global: low place; English: low place)

"Zipcode 80303 – Boulder Colorado is in Hardiness Zones 5b and 6a". PlantMaps. Archived from the original on December 16, 2019. Retrieved March 21, 2020.

radio-locator.com (Global: 9,938^th place; English: 4,803^rd place)

"KBCO-FM Radio Station Information". Archived from the original on November 7, 2012. Retrieved September 3, 2012.

radio1190.org (Global: low place; English: low place)

"Press". Radio1190.org. November 4, 1998. Archived from the original on December 3, 2013.

rtd-denver.com (Global: low place; English: low place)

"Bus Schedules". Regional Transportation District. Archived from the original on July 11, 2012. Retrieved May 15, 2015.

rtd-fastracks.com (Global: low place; English: low place)

"Flatiron Flyer – Bus Rapid Transit". Transportation District of Denver. Archived from the original on March 15, 2015. Retrieved April 13, 2015.

runningusa.org (Global: low place; English: low place)

"Largest Races". Running USA. Archived from the original on December 2, 2013. Retrieved December 1, 2013.

sfgate.com (Global: 248^th place; English: 142^nd place)

Herel, Suzanne (February 14, 2004). "San Francisco not the first to marry couples of the same gender". San Francisco Chronicle. Archived from the original on April 18, 2012. Retrieved December 9, 2010.

sitcomsonline.com (Global: low place; English: 6,715^th place)

"Mork and Mindy FAQ". Sitcomsonline.com. Archived from the original on September 18, 2018. Retrieved September 3, 2012.

sofmag.com (Global: low place; English: low place)

"Soldier of Fortune". Sofmag.com. Archived from the original on August 29, 2012.

state.co.us (Global: 6,053^rd place; English: 3,116^th place)

parks.state.co.us

"Eldorado Canyon State Park Publications". Colorado State Parks. May 27, 2010. Archived from the original on February 9, 2010. Retrieved December 9, 2010.

stephenking.com (Global: 8,779^th place; English: 8,932^nd place)

"About the author". StephenKing.com. Archived from the original on September 17, 2012. Retrieved October 8, 2011.

stlouisfed.org (Global: 3,234^th place; English: 1,770^th place)

fred.stlouisfed.org

"Total Gross Domestic Product for Boulder, CO (MSA)". Federal Reserve Economic Data. Federal Reserve Bank of St. Louis.

thebouldermag.com (Global: low place; English: low place)

Bruskin, Sara (June 4, 2023). "Happy Thursday". Boulder Magazine. Retrieved July 30, 2026.

theguardian.com (Global: 16^th place; English: 11^th place)

"Emmylou Harris on her greatest hits: 'I was arrogant enough to think I could survive a flop'". the Guardian. November 22, 2018. Archived from the original on May 25, 2021. Retrieved May 24, 2021.

twitter.com (Global: 43^rd place; English: 43^rd place)

"Shay Castle". twitter.com. Archived from the original on November 17, 2021. Retrieved November 16, 2021.

ucar.edu (Global: 8,747^th place; English: 6,863^rd place)

"Cut to the chase: Woody Allen at NCAR". UCAR. June 1998. Archived from the original on January 17, 2012. Retrieved October 8, 2011.

ucsb.edu (Global: 1,099^th place; English: 630^th place)

presidency.ucsb.edu

Ulysses S. Grant (August 1, 1876). "Proclamation 230—Admission of Colorado into the Union". The American Presidency Project. Retrieved December 24, 2024.

upcolorado.com (Global: low place; English: low place)

"University Press of Colorado – University Press of Colorado, including Utah State University Press". upcolorado.com. Archived from the original on September 19, 2018. Retrieved September 18, 2018.

usps.com (Global: 2,610^th place; English: 1,407^th place)

tools.usps.com

"ZIP Code Lookup". United States Postal Service. Archived from the original on December 25, 2018. Retrieved October 20, 2014.

vanityfair.com (Global: 230^th place; English: 161^st place)

"Broad City Could Have Ended on One Final Twist". Vanity Fair. March 29, 2019. Archived from the original on December 1, 2021. Retrieved August 18, 2022.

weather-us.com (Global: low place; English: low place)

"Monthly weather forecast and climate: Boulder, CO". Weather Atlas. Archived from the original on June 21, 2020. Retrieved June 20, 2020.

weather.gov (Global: 1,089^th place; English: 562^nd place)

w2.weather.gov

"Denver/Boulder Weather Forecast Office". Archived from the original on May 8, 2021. Retrieved August 10, 2015.

weather.gov

"NOWData – NOAA Online Weather Data". NOAA. Retrieved August 4, 2026.

weatherbase.com (Global: 1,673^rd place; English: 1,389^th place)

"Boulder, Colorado". weatherbase. Archived from the original on March 31, 2022. Retrieved March 21, 2020.

web.archive.org (Global: 1^st place; English: 1^st place)

"Colorado Municipal Incorporations". State of Colorado, Department of Personnel & Administration, Colorado State Archives. December 1, 2004. Archived from the original on September 27, 2007. Retrieved September 2, 2007.
"Shay Castle". twitter.com. Archived from the original on November 17, 2021. Retrieved November 16, 2021.
"Decennial Census P.L. 94-171 Redistricting Data". United States Census Bureau, United States Department of Commerce. August 12, 2021. Archived from the original on December 17, 2021. Retrieved September 7, 2021.
"ZIP Code Lookup". United States Postal Service. Archived from the original on December 25, 2018. Retrieved October 20, 2014.
"Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
"Boulder Elevation". www.BoulderColoradoUSA.com. Archived from the original on August 7, 2016. Retrieved February 10, 2016.
"Boulder, Colorado". Colorado Encyclopedia. Archived from the original on June 7, 2023. Retrieved October 17, 2023.
Drugan, Tim (December 16, 2022). "Southern Arapaho elder says Boulder should amend Fort Chambers sign but leave it up". The Boulder Reporting Lab. Archived from the original on July 9, 2024. Retrieved July 9, 2024.
"University of Colorado History". University of Colorado. Archived from the original on July 17, 2017. Retrieved February 10, 2016.
"C.U. History". BoulderGuide. June 30, 2009. Archived from the original on November 5, 2014. Retrieved December 9, 2010.
"A Boulder Timeline". Boulder History Museum. Archived from the original on October 10, 2014. Retrieved January 17, 2010.
"Brief History of Colorado". ghostseekers.com. Archived from the original on March 7, 2008.
Dougherty, Conor (July 3, 2016). "How Anti-Growth Sentiment, Reflected in Zoning Laws, Thwarts Equality". The New York Times. Archived from the original on June 7, 2021. Retrieved July 4, 2016.
Portillo, Ashley (January 19, 2024). "City Council in Boulder, one of Colorado's least affordable cities, votes to remove cap on residential growth". CBS News. Archived from the original on January 23, 2024. Retrieved January 23, 2024.
"Historic Preservation Program Background". City of Boulder. Archived from the original on October 25, 2013. Retrieved September 3, 2012.
"Did You Know?... The Story of Boulder, Colorado: Its Struggles To Reconcile Growth With Environmental Preservation". League of Women Voters of Boulder Valley. Archived from the original on July 26, 2006.
Mary Reilly-McNellan. "History of Boulder Mountain Parks" (PDF). Archived from the original (PDF) on September 23, 2020. Retrieved October 2, 2013.
"Boulder Area Sustainability Information Network". Boulder Community Network. August 27, 1999. Archived from the original on September 28, 2011. Retrieved December 9, 2010.
"Contact." Sirna Therapeutics. December 8, 2004. Retrieved March 3, 2012. "2950 Wilderness Place Boulder, CO 80301"
"Urban Wildlife". Bouldercolorado.gov. Archived from the original on October 26, 2013. Retrieved July 23, 2013.
"Park Volunteer Opportunities". Bouldercolorado.gov. September 25, 2012. Archived from the original on October 26, 2013.
"OSMP closures". Bouldercolorado.gov. Archived from the original on August 24, 2013. Retrieved July 23, 2013.
"Mosquito Control Program". Bouldercolorado.gov. July 6, 2012. Archived from the original on October 25, 2013. Retrieved July 23, 2013.
"Prairie Dogs & Wild Birds Wildlife Protection Ordinance". City of Boulder. January 18, 2005. Archived from the original on June 30, 2014. Retrieved December 9, 2010.
"Goats keep weeds under control at Boulder Reservoir". Daily Camera. July 28, 2010. Archived from the original on July 25, 2013. Retrieved September 3, 2012.
"Forest Ecosystem Management Plan". Bouldercolorado.gov. Archived from the original on May 29, 2018. Retrieved May 28, 2018.
"Denver/Boulder Weather Forecast Office". Archived from the original on May 8, 2021. Retrieved August 10, 2015.
"Zipcode 80303 – Boulder Colorado is in Hardiness Zones 5b and 6a". PlantMaps. Archived from the original on December 16, 2019. Retrieved March 21, 2020.
"Boulder, Colorado". weatherbase. Archived from the original on March 31, 2022. Retrieved March 21, 2020.
"Boulder, Colorado NCDC 1981–2010 Monthly Normals". WRCC. Archived from the original on September 10, 2015. Retrieved November 17, 2017.
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Tolentino, Jia (March 11, 2019). "Outdoor Voices Blurs the Lines Between Working Out and Everything Else". The New Yorker. ISSN 0028-792X. Retrieved December 29, 2024.

yourboulder.com (Global: low place; English: low place)

Tidd, Kelly (February 3, 2014). "Boulder Polar Plunge". Your Boulder. Archived from the original on February 15, 2020. Retrieved February 25, 2014.

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