Hofmann, M.S 1974 Journal 17 August 9.5 mi. N. (by Road) of Johannesburg (cont) by Trona Road, San Bernardino Co., Calif. 3200' the night at hourly intervals. The traps were set as follows: N SEARLES STA. Trap live (snaptraps) (132) 1/2 Dirt Rd. ~75 traps not checked at hourly intervals. live trap line (100) small hills Johannesburg ↓ 9.5 miles TRONA RD. 18 August 9.5 mi. N. of Johannesburg, by Trona Rd, San Bernardino Co., California 3200' The traps were checked throughout the night with the results shown in the table on the following page. Weather Data as below. 0800 We made the final check to all traps & ~75 traps were not checked throughout night. These captured: 36 west Perognathus longimembris 4 Ammospermophilus leucurus 1 Peromyscus maniculatus