Analyses and measured sections of Pennsylvania bituminous coals, Part II
By: by Viktoras W. Skema [and others]
Series: Pennsylvania. Bureau of Topographic and Geologic Survey. Mineral resource report -- M69; Mineral resource report -- 69
Publisher: Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey
Published: 1975
Place of publication: Harrisburg
Language: eng
Number of pages: 306
Subjects: Bituminous coal
Notes: Pennsylvania Geological Survey, fourth series.