A Visitors Guide To The Geology Of The National Capital Area
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A Visitor's Guide to the Geology of the National Capital Area
Author | : Paul McKelvey Johnston |
Publisher | : |
Total Pages | : 48 |
Release | : 1962 |
Genre | : Geology |
ISBN | : |
Synopsis of Geologic Hydrologic, and Topographic Results
Author | : |
Publisher | : |
Total Pages | : 286 |
Release | : 1962 |
Genre | : Geology |
ISBN | : |
A summary of recent scientific and economic results, accompanied by a list of publications released in fiscal 1962, a list of geologic and hydrologic investigations in progress, and a report on the status of topographic mapping.