1981
Department of Natural Resources Mines and Energy
1951
Department of Natural Resources Mines and Energy
1963
Department of Natural Resources Mines and Energy
1946
Department of Natural Resources Mines and Energy
1963
Department of Natural Resources Mines and Energy
1953
Department of Natural Resources Mines and Energy
1951
Department of Natural Resources Mines and Energy
1939
Department of Natural Resources Mines and Energy
1886
Department of Resources
1913
Survey Office, Dept. of Public Lands
1:130k