Where Was Beacon 52?

A portion of a 1948 USGS topgraphic map of Nanjemoy, MD quad

Stephen Bennett investigates the true location of Richmond—Washington Beacon 52.


NGS PID Search Bookmarklet

This bookmarklet provides a quick, convenient way to go directly to a datasheet for a known PID.

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Service Announcement

Due to a problem with my web host, full-size images cur … Read more

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Christmas in May!

New USGS datasheets arrived on Saturday. They have all been scanned and posted on the USGS Datasheets: Pennsylvania page.