Photogeologic structural interpretation : group A : Surface structural maps of selected 7.5’ USGS topographic quadrangles, western Pennsylvania.
Registration Number: VAu000573545
Type of Work: Map
Date: 2003-01-22 00:00:00
Date of Creation: 08/20/2025
Copyright Claimant: Philip Lewis Martin, 1929-
Variant title: Photogeologic structural interpretation : group A
Other Title: Surface structural maps of selected 7.5’ USGS topographic quadrangles, western Pennsylvania.
Basis of Claim: New Matter: additions.
Previous Registration: Preexisting material: USGS 7.5’ topographic maps.
Names: Martin, Philip Lewis, 1929-
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