Marshall, 1939 General Comment NE edge Alkali Lake, 4200 ft. Lake G., O.s. July 30. Arid upper sonoran zone. Full moon, clear, calm, warm weather. Set traps in 25 yd. intervals south from camp - all along the edge of the dry lake-bed. Set under bushes, in tall grass plots, and in little bare trails thru the humus under the clumps of bushes. Very sandy soil wind-rippled - pure white sand. Many mammal burrows - always creaking into them. Many little holes where mammals digging. Set 65 traps - along the brush & grass plots at the edge of the lake-bed, & 2 in island clumps of bushes out in the lake bed (60 yds from rest of vegetation) After supper, whistled up some poorwills - heard about 6 altogether - on this very flat land. Called up one & collected it as sat on sand near some brushes, T #694. Heard several Coyotes during this moonlit night.