Geologic structure of the Pittsburgh quadrangle, PA
By: by M.E. Johnson
Contributors: Pennsylvania. Bureau of Topographic and Geologic Survey
Series: Bulletin. Bureau of Topographic and Geologic Survey -- no. 60; Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) -- 60.
Publisher: Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey
Published: 1923
Place of publication: [Harrisburg, Pa.]
Language: eng
Subjects: Geology; Structural Geology
Notes: Pa. State Docs. class. no. PY G345/4.17/8:no. 60

Typescript.

Caption title.

January 15, 1923.