Barstow Trip Data Desert Blackthroated Sparrow April 15, 1924 / 4 fresh Nest in bush 1½ bush 2' high just below crown and to one side of bush. Nest made of grass with a few fine twigs, dry lining - cotton from crotale seed and another bush. Bird flushed when brush was trobled. Nest in bottom of cañon in hills 3500' elev? Many birds singing and flying off. Birds to this nest stayed about and fussed for a while. Local Barstow Cripple fossil beds near Hinkley, San Bernardino co. Calif. Rock Wren April 16 1924 / 4, incl. Barstow fossil beds near