Aeromagnetic map of the Downingtown quadrangle, Chester County, Pennsylvania

Geophysical Investigations Map 224
By: , and 

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Abstract

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Publication type Report
Publication Subtype USGS Numbered Series
Title Aeromagnetic map of the Downingtown quadrangle, Chester County, Pennsylvania
Series title Geophysical Investigations Map
Series number 224
DOI 10.3133/gp224
Edition -
Year Published 1960
Language ENGLISH
Description 1 map ;58 x 45 cm. folded to 26 x 21 cm. in envelope, 30 x 24 cm.
Scale 24000
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