Bechler River—R : 1—1872—U. S. G. S.—For Gustavus R. Bechler, topographer on the Snake River Division of the Hayden Expedition of 1872.

Berry Creek—U : 6—1885—U. S. G. S.—Characteristic.

Black-tail Deer Creek—B : 8—Named prior to 1870—Characteristic.

Bluff Creek—H : 10—1885—U. S. G. S.—Characteristic.

Bog Creek—H : 10—1885—U. S. G. S.—Characteristic.

Boone Creek—T : 1—Named prior to 1870—For Robert Withrow, an eccentric pioneer of Irish descent, who used to call himself “Daniel Boone the Second.”

Bridge Creek—K : 9—1871—U. S. G. S.—Characteristic.

“At one point, soon after leaving camp, we found a most singular natural bridge of the trachyte, which gives passage to a small stream, which we called Bridge Creek.”—Hayden.

“Natural Bridge” is really over a branch of Bridge Creek.

Broad Creek—F : 10—1871—Barlow—Characteristic.