Franklin

Directory of mineral producers in Maryland / Department of Natural Resources, Maryland Geological Survey.

Publication:
Baltimore, Md. : Maryland Geological Survey
Series:
Information circular (Maryland Geological Survey)
Information circular
Format/Description:
Journal/Periodical
v. : ill. ; 23 cm.
Began with 1966.
Subjects:
Mineral industries -- Maryland -- Directories.
Notes:
Description based on: 1979.
Latest issue consulted: 1986.
Contributor:
Maryland Geological Survey.
ISSN:
0197-1808
OCLC:
4447598
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