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Survey Calif. Drainage Coll. No. 420 Locality Jct. Calif. 180 & Hume Rd. County Quadrangle Elevation Water white, clear Flow Width -3'+ Vegetation common Bottom sand, rock Current mod Shore low shrub Distance from shore Temperature: Air Water Time Weather clear Depth of Capture Depth of Water Method of Capture net Date July 22, 1954 Collected by RH & SP Gibbs Orig. preserv. Pot. cyanide Time 2:00 - 4:00 PM General notes: Cordulegaster dorsalis - 4♂ Octogomphus specularis - 3♂ (1 pinned) Aeshna [[underlined]] walkeri [[/underlined]] - 4♂ Pantala hymenea - seen com. Argia vivida - 10♂ 4♀