Oahu;Hawaii

Description provided by photographer Roy Simonson reads: "Field of pineapples on Kolekole clay, Humic Ferruginous Latosol, about 6 miles north of junction of Ewa-Schofield Barracks road, Oahu; Ustoxic Humitropept"

Description provided by photographer Roy Simonson reads: "The Waimea plain, a strip of Reddish Prairie soils from volcanic ash between Mt. Kahala in distance and Mauna Kea, from which the shot was made."

Description provided by photographer Roy Simonson reads: "Profile of Kolekole clay in roadcut; Ustoxic Humitropept."

Description provided by photographer Roy Simonson reads: "Profile of Molokai clay, Low Humic Latosol formed from olivine basalt in lava flow near junction of Ewa-Schofield Barracks road, Oahu."

Roadcut showing a soil profile of Kolekole Clay in Oahu, Hawaii. Description provided by photographer Roy Simonson reads: "Stretch of roadcut showing profile of Kolekole clay, near site of H139; Ustoxic Humitropept"

A sugarcane field with an irrigation ditch in the foreground near Ewa-Schofield Barracks in Oahu. Description provided by photographer Roy Simonson reads: "Sugar cane on soils of the Molokai family near the site of I135."

Description provided by photographer Roy Simonson reads: "Taro under irrigation on the dark magnesium clay (now known to be Grumusols) along the northeast coast of Oahu. The gentle slope leading down from the mountains is broken by dikes, with intervening segments leveled for flood irrigation."