16 km SE Flagstaff, Walnut Canyon National Monument, Coconino County, Arizona, USA
September 2, 2016
2039 m 35°10'17.67"N 111°30'30.39"W, Black Light 8-9 PM, Coll: Gary Alpert, rim of canyon, near visitor center,
Deposited in the
Museum of Northern Arizona (MNA) for the National Park Service
WACA 13367
Contributed by
Gary Alpert on 8 October, 2018 - 12:42pm
Last updated 12 June, 2023 - 11:51am