16 km SE Flagstaff, Walnut Canyon National Monument, Coconino County, Arizona, USA
April 30, 2019
Bottom of ravine, 1946 m, 35° 10' 15.5"N 111° 30' 50.3"W, SLAM #3 (14 days) Collectors: Gary Alpert, Mark Szydlo, Dan Campbell, Tanner Carothers
Deposited in the
Museum of Northern Arizona (MNA) for the National Park Service