Sie haben gesucht nach VerfasserIn: 'Roberts, L. N. R.', in der Datenbank: Bibliothekskatalog.
Anzahl der Treffer: 3
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CD 127-Per.1625.C
2000 Resource Assessment of Selected Coal Beds and Zones in the Northern and Central Appalachian Basin Coal Regions
Kirschbaum, M. A.; Roberts, L. N. R.; Biewick, L. R. H.; National Coal Resource Assessment; Northern and Central Appalachian Basin Coal Regions Assessment Team
In: U.S. Geological Survey Professional Paper
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2001
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CD 127-Per.1625.B
Geologic Assessment of Coal in the Colorado Plateau: Arizona, Colorado, New Mexico, and Utah
Kirschbaum, M. A.; Roberts, L. N. R.; Biewick, L. R. H.; National Coal Resource Assessment
In: U.S. Geological Survey Professional Paper
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2000
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K I 1300.138
Coal Geology and preliminary Coal Zone Correltations in the Fruitland Formation, western part of the southern Ute Indian Reservation, La Plata County, Colorado 1:24.000
Roberts, Laura N. Robinson; Uptegrove, Jane; U.S. Geological Survey
In: Coal investigations map
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1991
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Sie haben gesucht nach VerfasserIn: 'Roberts, L. N. R.', in der Datenbank: Bibliothekskatalog.
Anzahl der Treffer: 3
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