Related by context. Frequent words. (Click for all words.) 36 locust plague 35 separatist revolt 34 Maoist insurgency 34 Folsom Dam 33 deadly stampedes 32 budget shortfalls 32 kilovolt transmission line 32 bark beetle infestation 32 combined sewer overflows 32 quagga 32 groundwater pumping 32 sewer overflows 32 Maoist rebellion 32 feral cat population 32 Tundra pickups 32 sewage overflows 31 beetle infestation 31 budget shortfall 31 catastrophic wildfires 31 bighorns 31 quagga mussels 31 elk herd 31 elk herds 31 outbreaks 31 resurgent Taliban militants 30 Maoist revolt 30 bighorn sheep 30 mosquito borne illnesses 30 spring chinook salmon 30 cholera outbreak 30 stubborn insurgency 30 black footed ferrets 30 steelhead trout 30 burros 30 mountain pine beetles 30 lodgepole pines 30 bark beetle 30 desert tortoise 30 shoreline erosion 30 separatist rebellion 30 stormwater pollution 30 feral dogs 30 sewage overflow 30 mountain lions 30 sectarian bloodletting 30 invasive weed 29 Fitzroy River 29 bison herd 29 wolf packs 29 River basin 29 Zaca Fire 29 warring drug cartels 29 raging insurgency 29 monarch butterflies 29 stormwater drainage 29 sewage spills 29 Escalating violence 29 saltwater intrusion 29 outbreak 29 undersea gusher 29 acre wildfire 29 President Emomali Rakhmon 29 Mexican gray wolves 29 Friant Dam 29 steep canyons 28 polluted runoff 28 rangelands 28 River tributary 28 flu outbreak 28 Sonoran desert 28 Snake River Canyon 28 wildland fires 28 bighorn 28 Sheyenne River 28 Ebola outbreak 28 hibernating bats 28 Tuolumne River 28 sectarian violence 28 grasslands 28 flooding 28 Huaihe River 28 shortfall 28 ponderosa pines 28 river basin 28 pronghorn 28 aqueduct 28 grazing allotments 28 surging 28 deadly cholera epidemic 28 deer herds 28 migratory waterfowl 28 tamarisk 28 structurally deficient bridges 28 glacial melt 28 structural imbalance 28 shortfalls 28 cattle herds 28 wildfires 28 wetland habitat 28 tributaries 28 detention basins