National coal resource assessment methodology
An edition of National coal resource assessment methodology (1998)
comparison of resource calculation methods by two geographic information systems (GIS)
By Susan J Tewalt
Publish Date
1998
Publisher
U.S. Dept. of the Interior, U.S. Geological Survey
Language
eng
Pages
-
Description:
subjects: Coal reserves, Geographic information systems
Places: Monongalia County, West Virginia