Related by context. Frequent words. (Click for all words.) 46 Sonoran Desert 43 Gila Bend 41 Sasabe 41 Sabino Canyon 41 Monument 41 Roaring Fork River 41 Operation Jump Start 41 Hells Canyon 41 Border Patrol agents 40 Tucson Sector 40 Petrified Forest 40 Jemez 40 Mojave Desert 40 Border Patrol 40 bosque 39 Canyonlands National 39 Buttes 39 illegal border crossers 39 arroyo 39 Ajo 39 Marin Headlands 39 Cactus 39 Grand Staircase Escalante 39 Great Sand Dunes 39 Fossil Creek 38 Recreation Area 38 Huachuca City 38 buttes 38 ranchland 38 mesa 38 irrigation ditch 38 equestrian trails 38 border 38 Rio Grande 38 Tohono O'odham Nation 37 canyon 37 Papago Park 37 Sonoita 37 Mount Lemmon 37 Visitor Center 37 Recreational Area 37 Coconino 37 Tubac 36 Saguaro 36 Grand Canyon 36 Loop Trail 36 San Jacinto Mountains 36 Yuma Ariz. 36 Yampa River 36 Canyon Dam 36 Shasta Dam 36 Arivaca 36 Border Fence 36 Gila River 36 Poudre River 35 Animas River 35 border crossers 35 SBInet 35 Tohono O'odham 35 cactus 35 Papago 35 Salt River 35 Tucson 35 Anza Borrego Desert 35 www.nps.gov 35 borders 35 Cochise County 35 Hoover Dam 35 Navajo Reservation 35 Yampa 35 Trail 34 Presidio 34 Moab 34 Agua Prieta 34 Tonto 34 Bullhead City 34 White Sands Missile 34 Ariz. 34 Ocotillo 34 Marana 34 Border Patrol Agents 34 Pima County 34 Cave Creek 34 Truckee River 34 Rio Rico 34 ADOT 34 Arizona 34 O'odham 34 acre expanse 34 Bryce Canyon 34 Yuma 34 saguaro 34 Isleta 34 Baseline Road 33 Arroyo Seco 33 Scenic Trail 33 Mohave County 33 Nogales Sonora 33 groundwater pumping 33 Hohokam 33 fencing