Natural resource geographic data bases for Montana and Wyoming/ by Information systems technical laboratory - Washington DC : U. s. Department of the interior, Fish and wildlife service, 1977 - vi, 64 p. : ill. ; 27 cm - Biological services program FWS/OBS, 77/55. .

Issue of September 1977

Subjects--Topical Terms:
Natural resources -- Montana --Databases.
Natural resources --Wyoming --Databases. .
Natural resources

Dewey Class. No.: US 333.709786 / Un 31(Sep./1977)