Aspers, Pennsylvania (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Aspers, Pennsylvania" in English language version.

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1sunstar-solutions.com

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archive.today

Wood, C. R., 1980, Groundwater resources of the Gettysburg and Hammer Creek Formations, southeastern Pennsylvania: Pennsylvania Geological Survey, 4th ser., Water Resource Report 49, 87 p. (web release)

census.gov

census.gov

"US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
"Geographic Identifiers: 2010 Demographic Profile Data (G001): Aspers CDP, Pennsylvania". United States Census Bureau. Retrieved November 2, 2012.
"Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
"U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.

tigerweb.geo.census.gov

"ArcGIS REST Services Directory". United States Census Bureau. Retrieved October 12, 2022.

api.census.gov

"Census Population API". United States Census Bureau. Retrieved October 12, 2022.

data.census.gov

"Explore Census Data".

sunstar-solutions.com

Cornet, Bruce, 1977, Palynostratigraphy and age of the Newark Supergroup: Pennsylvania State University, unpublished Ph.D. dissertation, 505 p. abstract