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Documentation of data format and content to accompany magnetic tape copies of various data files of the National Coal Resources Data System (NCRDS)--ECOAL, WCOAL, NEWCOAL, BMALYT, and USCHEM
- Author / Creator
- Available as
- Physical
Details
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- Creator
- by M. Devereux Carter, Antoinette L. Medlin, and Kathleen K. Krohn
- Format
- Books
- Language
- English
- Publication
-
- [Reston, Va.?] : U.S. Dept.of the Interior, U. S. Geological Survey, [1981?]
- Physical Details
-
- 1 volume : illustrations, 2 maps ; 28 cm
- OCLC
- ocm09031095
- Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981?]. 1 microfiche ; 11 x 15 cm.
- Bibliography: page 32.