United States Geological Survey YearbookThe Survey, 1987 - Forest reserves |
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Page 25
... district , the Illinois - Kentucky fluorspar district , the Southeast Missouri lead - zinc district , and the Tri - State ( Missouri - Kansas - Oklahoma ) lead - zinc district . All these districts are hosted by flat - lying carbonate ...
... district , the Illinois - Kentucky fluorspar district , the Southeast Missouri lead - zinc district , and the Tri - State ( Missouri - Kansas - Oklahoma ) lead - zinc district . All these districts are hosted by flat - lying carbonate ...
Page 33
... district ( 1 ) ' 40 ° MERCATOR PROJECTION 0 0 ° LATITUDE 70 70 ' 1000 500 0 500 1000 KILOMETERS CANADA Sudbury district ( 24 ) Base from Bundesanstalt für Geowissenschaften und Rohstoffe Boundary and names representation not necessarily ...
... district ( 1 ) ' 40 ° MERCATOR PROJECTION 0 0 ° LATITUDE 70 70 ' 1000 500 0 500 1000 KILOMETERS CANADA Sudbury district ( 24 ) Base from Bundesanstalt für Geowissenschaften und Rohstoffe Boundary and names representation not necessarily ...
Page 51
... district level . AVHRR data also have been useful in monitoring food and fiber production on range and agricultural lands in Montana and in monitoring floods in eastern South Dakota . In each of these research investi- gations , the ...
... district level . AVHRR data also have been useful in monitoring food and fiber production on range and agricultural lands in Montana and in monitoring floods in eastern South Dakota . In each of these research investi- gations , the ...
Page 131
Geological Survey (U.S.). International Activities NICARAGUA San José Guanacaste Gold District , Western Costa Rica. Highlights The 1986 Gas Disaster at Lake Nyos , Cameroon , West Africa By Michele L. Tuttle , John P. Lockwood , and ...
Geological Survey (U.S.). International Activities NICARAGUA San José Guanacaste Gold District , Western Costa Rica. Highlights The 1986 Gas Disaster at Lake Nyos , Cameroon , West Africa By Michele L. Tuttle , John P. Lockwood , and ...
Page 135
Geological Survey (U.S.). NICARAGUA San José Guanacaste Gold District , Western Costa Rica San Isidro , UAS - 8 UAS - 1. 11 ° 86 ° Santa Elena Peninsula 85 ° Lago de Nicaragua La Cruz Rio Carlos San COSTA RICA Inter - American Temp sque ...
Geological Survey (U.S.). NICARAGUA San José Guanacaste Gold District , Western Costa Rica San Isidro , UAS - 8 UAS - 1. 11 ° 86 ° Santa Elena Peninsula 85 ° Lago de Nicaragua La Cruz Rio Carlos San COSTA RICA Inter - American Temp sque ...
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