Caldwell Marble Quarry - Sec. 35, T. 4 N., R. 11 E., M.D.M. 4 miles southeast of Valley Springs on Bear Mountain. Dark variegated limestone. ... Bear River - Sec. 22, T. 15 N., R. 9 E., marble near Bear River, the dividing line between Nevada and Placer counties, an apparent extension of the large bodies of marble in Section 35, same township ...