Fig. 14-F. -IMG_2175
The slopes of the Killdeer Mountains are littered with large numbers of boulders that have broken away from the Arikaree Formation caprock and .
Full size is 1000 × 667 pixels
The slopes of the Killdeer Mountains are littered with large numbers of boulders that have broken away from the Arikaree Formation caprock and .
Full size is 1000 × 667 pixels