Digitizing procedure for the National Coal Resources Data System of the U.S. Geological Survey
Open-File Report
81-1225
By: Judy F. Hunter, Sharon S. Crowley, and Antoinette L. Medlin
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Abstract
Suggested Citation
Hunter, J.F., Crowley, S.S., Medlin, A.L., 1981, Digitizing procedure for the National Coal Resources Data System of the U.S. Geological Survey: U.S. Geological Survey Open-File Report 81-1225, 10 p. ill. ;28 cm., https://doi.org/10.3133/ofr811225.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Digitizing procedure for the National Coal Resources Data System of the U.S. Geological Survey |
| Series title | Open-File Report |
| Series number | 81-1225 |
| DOI | 10.3133/ofr811225 |
| Year Published | 1981 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | 10 p. ill. ;28 cm. |