Camp Tulelake (1049) Walnut Canyon National Monument CCC trail (1588) Walnut Canyon National Monument CCC trail (1589) Walnut Canyon National Monument CCC trail (1564) Walnut Canyon National Monument (1592) Walnut Canyon National Monument (1593) Hovenweep National Monument (1657) Lava Beds Natl Mon Gillem Camp, CA (1042) Lava Beds Natl Mon CCC (Civilian Conservation Corp… Lava Beds Natl Mon Fleener Chimneys, CA (0924) Lava Beds Natl Mon Fleener Chimneys, CA (0915) Lava Beds Natl Mon Schonchin Butte, CA (0894) Camp Tulelake (2445) Camp Tulelake (2448) Camp Tulelake (2447) Lava Beds National Monument (2412) Colossal Cave, AZ New Deal (2260) Colossal Cave, AZ New Deal (2258) Colossal Cave, AZ New Deal (2257) Colossal Cave, AZ New Deal (2259) Colossal Cave, AZ New Deal (2255) Colossal Cave, AZ New Deal (2262) Colossal Cave, AZ New Deal (2252) Colossal Cave, AZ New Deal (2251) Colossal Cave, AZ New Deal (2250) Colossal Cave, AZ New Deal (2248) Colossal Cave, AZ New Deal (2244) Colossal Cave, AZ New Deal (2243) Colossal Cave, AZ New Deal (2242) Colossal Cave, AZ New Deal (2241) Colossal Cave, AZ New Deal (2240) Corondao NF Box Canyon Road #62 (2239) Corondao NF Box Canyon Road #62 (2237) Corondao NF Box Canyon Road #62 (2235) Corondao NF Box Canyon Road #62 (2234) Corondao NF Box Canyon Road #62 (2231) Corondao NF Box Canyon Road #62 (2228) Corondao NF Box Canyon Road #62 (2226) Coronado NF Rt 61 Montezuma Pass (2181) Tempe Moeur Park (1852) Tempe Moeur Park (1850) Tempe Moeur Park (1847) Tempe Moeur Park (1830) Tempe Moeur Park (1828) Tempe Moeur Park (1825) Tempe Moeur Park (1822) Tempe Moeur Park (1821) Phoenix South Mountain Park (1807) Phoenix South Mountain Park (1805) Phoenix South Mountain Park (1800) Phoenix South Mountain Park (1802) Phoenix South Mountain Park (1797) Phoenix South Mountain Park (1806) Phoenix South Mountain Park (1815) Phoenix South Mountain Park (1814) Phoenix South Mountain Park (1803) Phoenix South Mountain Park (1812) Phoenix South Mountain Park (1795) Cathedral Gorge State Park 0642a Theodore Roosevelt Natl Park, ND CCC (0462) Theodore Roosevelt Natl Park, ND CCC (0463) Theodore Roosevelt Natl Park, ND CCC (0464) Theodore Roosevelt Natl Park, ND CCC (0468) Theodore Roosevelt Natl Park, ND CCC (0469) Theodore Roosevelt Natl Park, ND CCC (0471) Theodore Roosevelt Natl Park, ND CCC (0474) Theodore Roosevelt Natl Park, ND (0475) Theodore Roosevelt Natl Park, ND (0477) Big Bend NP, Chisos Basin 2571a