Research Catalog

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Public lands	909	2709
Public lands -- United States	62	1188
Coal leases	70	129
Renewable energy sources -- Law and legislation -- United States	2	68
Renewable energy sources	433	1447
Energy development -- Law and legislation	18	128
Continental shelf -- Law and legislation -- United States	-	8
Renewable energy sources -- Law and legislation	11	84
Continental shelf -- Law and legislation	3	14
Energy development -- Law and legislation -- United States	5	109

Subject Heading "Coal leases -- United States"