Geology and geography Miller, Benjamin L. (Benjamin LeRoy) 1874-1944 creator Fraser, Donald McCoy 1903- Miller, Ralph L. (Ralph LeRoy) 1909- Willard, Bradford 1894- Wherry, Edgar Theodore 1885- text pau Harrisburg, Pa Dept. of internal affairs, Topographic and geologic survey 1941 monographic eng

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viii, 492 p. incl. illus., tables. front., plates (1 fold.) 2 fold. maps (in pockets) 24 cm. 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. "List of the most important historical publications dealing with Lehigh county": p. 20-22. "Bibliography and cartography": p. 24-62. Geology Pennsylvania Lehigh County Mines and mineral resources Pennsylvania Lehigh County Physical geography Pennsylvania Lehigh County QE158.L38 M5 557.4827 gs 42000242 U. S. Geol. Survey Library 760323 20260227111348.0 gs 42000242