Topic
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01 Coal
1
011000 -- Coal
1
017000 -- Coal
1
0615
1
092 ACECs
1
1
1
1 - Open access publication channel
1
1 - Publication available open access by the publisher
2
1 - Self archived
2
1,5
1
1- Minst en av författarna har en utländsk affiliation
2
1- Minst en av författarna är affilierad vid ett företag
1
1- Publicerad utomlands
2
1.3 million acres permanently protected
1
10 million BLM acres
1
10 states
1
10% of United States land area
1
100 Days
1
100 days to change our ways
1
100 years
1
100th anniversary
1
11 million acres
1
11 western states
1
1172 Environmental sciences
1
12
1
12 offices
1
13 states
1
136 planning units
1
15 GEOTHERMAL ENERGY
1
15 Geothermal Energy
1
16 U.S.C. 431
1
16 national conservation areas
1
1600 cores
1
161 million acres
1
162 land use plans
1
16th Century
1
17 WIND ENERGY
1
17 Wind Energy
1
17th Century
1
1838-1916
1
1857-1930
3
1862-1935
2
1866 enactment
1
1866-1938
1
1878 – November 1
1
1879-1962
1
1885-1970
1
18th Century
1
19.11% wilderness areas
1
1904-1993--Correspondence
1
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