Folsom Peak (9,300)—E: 8—1895—U. S. G. S.—For David E. Folsom, leader of the Expedition of 1869, and author of the first general description of the valley of the Upper Yellowstone.

Forellen Peak (9,700)—T: 5—1885—U. S. G. S.—From the German name for Trout.

Gallatin Range—A-F: 1-4—Name in use prior to 1870. Raynolds has “Mt. Gallatin” on his map. Gallatin River (see name) rises in this range.

Garnet Hill (7,000)—C: 9—1878—U. S. G. S.—Characteristic.

Giant Castle (10,000)—K: 14-15—1873—Jones—Characteristic.

Gibbon Hill (8,600)—H: 6—1885—U. S. G. S.—From the Gibbon River.

Gravel Peak (9,600)—T: 11—U. S. G. S.—Characteristic.

Gray Peak (10,300)—C-D: 4—1885—U. S. G. S.—Characteristic.

Grizzly Peak (9,700)—L: 12—1885—U. S. G. S.—Characteristic.