Catskill Mountains (English Wikipedia)

Ver Straeten, C. A (2013). "Beneath it all: bedrock geology of the Catskill Mountains and implications of its weathering". Annals of the New York Academy of Sciences. 1298: 1–29. doi:10.1111/nyas.12221. PMID 23895551. S2CID 19940868.

hospitalitynet.org

Stanley Turkel (August 1, 2019). "Hotel History: Catskill Mountain Resort Hotels". Hospitality Net.

"Woodstock Film Commission". Hudsonvalleyfilmcommission.org. Archived from the original on September 22, 2013. Retrieved March 26, 2014.

Ver Straeten, C. A (2013). "Beneath it all: bedrock geology of the Catskill Mountains and implications of its weathering". Annals of the New York Academy of Sciences. 1298: 1–29. doi:10.1111/nyas.12221. PMID 23895551. S2CID 19940868.

DePalma, Anthony (June 15, 2009). "An Unsightly Algae Extends Its Grip to a Crucial New York Stream". The New York Times. Retrieved May 28, 2019.

"PRISM Climate Group, Oregon State University". www.prism.oregonstate.edu. Retrieved July 9, 2019.

"Windham Mountain Bike World Cup Festival". Archived from the original on March 26, 2016. Retrieved December 18, 2013.

"The trail system". Round Top Mountain Bike Association. October 20, 2019. The Round Top trail system evolved from the local riding scene of the 90s.

Ver Straeten, C. A (2013). "Beneath it all: bedrock geology of the Catskill Mountains and implications of its weathering". Annals of the New York Academy of Sciences. 1298: 1–29. doi:10.1111/nyas.12221. PMID 23895551. S2CID 19940868.

"The Elusive Mountain Lion – E-Files – Our History". Sierra Club. Archived from the original on August 7, 2007. Retrieved September 17, 2007.

"Comedians who became stars learned their craft in Catskill Mountain hotels". tribunedigital-sunsentinel. Archived from the original on December 29, 2015. Retrieved January 14, 2016.

Official Guide of the Railways, December 1950, New York, Ontario and Western section, page reproduced at http://www.thejoekorner.com/brochures/nyow-og-timetable/index.html

"Physiographic divisions of the conterminous U. S". U.S. Geological Survey. Retrieved December 6, 2007.

"REGIONAL TOPOGRAPHY". Catskills GIS Atlas. Catskill Center. Archived from the original on October 29, 2009. Retrieved October 12, 2009.
"The Elusive Mountain Lion – E-Files – Our History". Sierra Club. Archived from the original on August 7, 2007. Retrieved September 17, 2007.
"Windham Mountain Bike World Cup Festival". Archived from the original on March 26, 2016. Retrieved December 18, 2013.
"Woodstock Film Commission". Hudsonvalleyfilmcommission.org. Archived from the original on September 22, 2013. Retrieved March 26, 2014.
"Comedians who became stars learned their craft in Catskill Mountain hotels". tribunedigital-sunsentinel. Archived from the original on December 29, 2015. Retrieved January 14, 2016.