Results: 1 - 10 of 11
Jan 23, 2020
Data
… were defined using geological maps, 3D geological models, mineral …
Dec 31, 1991
Open File Report
Dec 31, 1991
Open File Report
Dec 31, 1989
Open File Report
Dec 31, 1988
Open File Report
… detail: Level One - 1:1000 000 maps include general coal … Level Two - 1:250 000 scale maps include the above noted … - 1:5000 mine or township scale maps include detailed information …
Dec 31, 1991
Open File Report
… is to provide coal resource maps to stimulate and support … database and various thematic maps to be analyzed, updated, and … synthesis of information. Maps generated are at a regional or …
Dec 31, 1991
Open File Report
… is to provide coal resource maps to stimulate and support … database and various thematic maps to be analyzed, updated, and … synthesis of information. Maps generated are at a regional or …
Dec 31, 1990
Open File Report
… is to provide coal resource maps to stimulate and support … database and various thematic maps to be analyzed, updated, and … synthesis of information. Maps generated can be at a regional …
Dec 31, 1990
Open File Report
… is to provide coal resource maps to stimulate and support … database and various thematic maps to be analyzed, updated, and … synthesis of information. Maps generated can be at a regional …
Dec 31, 1989
Open File Report
… was to provide coal resource maps, at a 1:50,000 scale, to …