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Progress report.

Bibliographic Details
Uniform Title:Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey)
Corporate Author: Pennsylvania. Bureau of Topographic and Geologic Survey
Format: Serial
Language:English
Published: Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey.
Subjects:
Geology > Pennsylvania.
Mines and mineral resources > Pennsylvania.
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Description
Item Description:A series of prliminary, occasional and brief papers many of which are advanced reports of material later printed in its Bulletin (lettered series).
Physical Description:volumes : illustrations, maps. ; 24-28 cm.
ISSN:0097-5354