Miscellaneous References and Mentions

While our initial information about Pen Mar came from various goverment sources (GNIS, FIPS), we also found mention of Pen Mar in various books, maps and other sources.

We've created the following list to keep track of the sources that proved useful in adding to our knowledge about Pen Mar. We hope that they will be useful to you.

Note: Initially, we were careless about keeping track of where our Pen Mar data came from. The following list of references and mentions is incomplete.

North American Railroad Atlas - Northeast
Written by: Walker, Mike
Published by RailfanDepot, 2020
(Available from Amazon.com)

Maryland: Official Transportation Map (2003)
Published by the State Highway Administration

Rand McNally Map of Maryland (1911)
Published by Rand McNally & Co.

Both the GNIS and FIPS databases contain entries for Pen Mar. See our Misc Page for Pen Mar for more information.