Trenton folio, New Jersey-Pennsylvania /
Bascom, F.(Florence),1862-1945.
Geological Survey (U.S.)
Washington, D.C. : The Survey,
1909.
Relief shown by contours and spot heights.
Cover title.
Plates: [1] Topography -- [2] Areal geology -- [3] Structure sections -- [4] Columnar sections.
Text and ill. on inside covers.
List of folios on back cover.
Geology
Geology
Geology
Geology
Geology
Geology
Geology
Geology