Crystal Cave (Pennsylvania) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Crystal Cave (Pennsylvania)" in English language version.

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70^th place

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1visitpaamericana.com

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1readingeagle.com

7,322^nd place

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1crystalcavepa.com

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1books.google.com

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books.google.com

Montgomery, Morton L. Historical and Biographical Annals of Berks County, Pennsylvania: Embracing a Concise History of the County and a Genealogical and Biographical Record of Representative Families, Vol. II: pp. 821-822. Chicago, Illinois: J.H. Beers & Co., 1909.

crystalcavepa.com

"History," in "Welcome to Historic Crystal Cave." Kutztown, Pennsylvania: Historic Crystal Cave (official website), retrieved online August 12, 2019.

loc.gov

chroniclingamerica.loc.gov

"Visit to Crystal Cave." Harrisburg. Pennsylvania: Harrisburg Telegraph, September 27, 1915, p. 2.
Crystal Cave, in "Current Notes." Somerset, Pennsylvania: The Somerset Herald, November 5, 1873, p. 2.

mcall.com

Sheehan, Jennifer. "Insider's Guide to the Lehigh Valley: Explore Lost River and Crystal caves." Allentown, Pennsylvania: Morning Call, November 9, 2017.

readingeagle.com

"5 things to know about Historic Crystal Cave in Berks County." Reading, Pennsylvania: Reading Eagle, May 6, 2019.

visitpaamericana.com

"Historic Crystal Cave." Reading, Pennsylvania: Pennsylvania's Americana Region," retrieved online August 12, 2019.