Related by context. Frequent words. (Click for all words.) 60 Petroleum Reserve 57 Chukchi Sea 57 Roan Plateau 56 Outer Continental Shelf 55 ANWR 55 Rocky Mountain Front 54 outer continental shelf 54 Beaufort Sea 54 polar bear habitat 54 wildlife refuge 53 habitat designation 52 wetlands 52 sage grouse habitat 52 Arctic Refuge 52 wildlife refuges 51 rookery 51 North Slope 50 habitat 49 boreal forest 49 wilderness designation 49 Arctic Ocean 49 wildlife habitats 49 Nantucket Sound 48 nesting grounds 48 pristine wilderness 48 Pinedale Anticline 48 Tejon Ranch 48 shorebirds 48 Arctic 48 roadless areas 48 Tongass National 48 environmentally sensitive 48 Northwestern Hawaiian Islands 47 Cook Inlet 47 Prudhoe Bay 47 sea otters 47 Tongass 47 Chukchi seas 47 Kachemak Bay 47 Chukchi 47 nesting habitat 47 roadless 47 spawning habitat 47 coastal wetlands 46 ecologically sensitive 46 caribou 46 Yellowstone bison 46 wildlife habitat 46 gray whales 46 wetland habitat 46 continental shelf 45 Barents Sea 45 marine sanctuaries 45 subsistence hunting 45 sage grouse 45 endangered whales 45 shorebird 45 habitats 45 estuaries 45 undeveloped land 45 marsh 45 fragile ecosystems 45 motorized recreation 45 wetland 45 wildlands 45 ANWR drilling 44 coastal waters 44 Ogallala Aquifer 44 nesting birds 44 vernal pools 44 livestock grazing 44 deepwater 44 bull trout 44 headwaters 44 grasslands 43 Grand Teton National 43 polar bears 43 fragile ecosystem 43 bird sanctuary 43 boreal 43 Barataria Bay 43 piping plovers 43 geological formations 43 shale deposits 43 migratory waterfowl 43 NPRA 43 Sealaska 43 belugas 43 coastal marshes 43 marine mammals 43 Lake Baikal 43 Pebble Mine 43 Inupiat 43 archeological sites 43 biologically diverse 43 migratory species 43 acreage 43 cutthroat trout 43 Kovykta 43 elk herds 43 exploratory drilling