Lehigh county, Pennsylvania. Geology and geography,
by Benjamin LeRoy Miller ... with chapters on Pre-Cambrian geology, by Donald McCoy Fraser ... Jacksonburg formation, by Ralph LeRoy Miller ... Martinsburg formation, by Bradford Willard ... Triassic rocks, by Edgar T. Wherry.
- Harrisburg, Pa., Dept. of internal affairs, Topographic and geologic survey, 1941.
- viii, 492 p. incl. illus., tables. front., plates (1 fold.) 2 fold. maps (in pockets) 24 cm.
- Pennsylvania. Geological survey (4th, 1919- ) Bulletin C39 .
- Bulletin C, 39. .
"List of the most important historical publications dealing with Lehigh county": p. 20-22. "Bibliography and cartography": p. 24-62.
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Geology--Pennsylvania--Lehigh County. Mines and mineral resources--Pennsylvania--Lehigh County. Physical geography--Pennsylvania--Lehigh County.