Plate 1187X. Gray Knoll 1937 – 2006 Viewed north-northeast from Gray Knoll. Little Plain is on the left and Big Plain is on the right. Smithsonian Butte (6,632 ft) is on the right skyline. Pinyon and juniper have increased, though some areas have been cleared. Both plains are privately owned. New homes have been built on the far side of the Little Plain. Plates 1187X and 1188X form a panorama.
Original photograph taken by H.E. Gregory (No. 801) in 1937; retake by Charles E. Kay on June 4, 2006 - - Photo No. 5630-21A. Original photograph held by the U.S. Geological Survey Photographic Library, Denver, CO.
South West: Section 6, Range 11 West, Township 43 South; UTM 309500 E, 4105400 N; elevation 5,511 ft.