1999 Map of Delta, 2001 Print
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1999 Map of Delta

USGS Topo · Published 2001

About this map

Slate Ridge anchors this landscape along the Mason-Dixon Line, where the towns of Delta and Cardiff sit straddled across the Pennsylvania Maryland state border. The region's industrial character is defined by extraction, with the Funkhouser Quarry and several unnamed quarries following the geologic grain of the ridge. While the Old Railroad Grade marks a former transportation corridor, modern activity is centered around the scattered rural communities of Whiteford, Pylesville, and Dublin.


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Map Details

Date Portrayed1999
Date Published2001
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1999 Delta Map

This is the sole edition of this map. No revisions or reprints were ever made.


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Source Details

CopyrightPublic Domain