Structure-contour maps of the plateau region of north-central and western Pennsylvania
Series: Pennsylvania. Bureau of Topographic and Geologic Survey Bulletin -- G no. 27; Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) -- G no. 27.
Publisher: Department of Internal Affairs, Topographic and Geologic Survey
Published: 1954
Place of publication: [Harrisburg, Pa.]
Language: eng
Number of pages: 25
Subjects: Geology; Maps
Notes: Maps inserted: plate 1. Map showing surface structure of plateau region of north-central and western Pennsylvania (in 4 sheets) [ca. 1:250,000]--plate 2. Map showing anticlinal and synclinal axes in Pennsylvania [ca. 1:500,000]--plate 3. Map showing subsurface structure of plateau region of north-central and western Pennsylvania on top of Oriskany formation (in 4 sheets) [ca. 1:250,000].

Bibliography: p. 11-23.