State of Arizona compiled chiefly from the official records of the General Land Office with supplemental data from other map making agencies, under the direction of I.P. Berthrong, chief of drafting division, G.L.O.

The map was compiled by Daniel P.O'Hare under the supervision of I. P. Berthrong, Drafting Division Chief of the General Land Office. It was printed by the Columbia Planograph Company, based in Washington D.C.

An uncommon 1921 large format map of Arizona prepared by Daniel P. O'Hare and I. P. Berthrong for the General Land Office. This massive folding map, which covers the entire state is intended to illustrate American Indian Reservations, National Forests, Parks, and other public lands throughout the state. The American Indian Reservations noted and highlighted in yellow include the Apache, Navajo, Kaibab, Hualpai, Fort Mohave, Colorado River, Yuma, Papago, Pima, Gila River, Salt River, and San Carlos. Various national forests are also identified including the Tusayan, Prescott, Sitgreaves, Tonto, Kaibab, Dixie, Apache, Crook, and Coronado, among others.
The Grand Canyon, Fort Huachuca, and other federal properties are highlighted in Red. Light blue identified various land reclamation and irrigation projects.
Also shows the Luis Maria Baca Land Grant.

Shows towns, mountain ranges, peaks, canyons, notable rock formations, passes, rail lines, dry river beds, dry lakes, proposed canals, and mines.