C53 68.9 Carol J. James Devil's Hole, DVNM, Ash Meadows, Nye Co., Nevada. 17 February 1968 0930 - 1200 hrs. C. James & C.W. Joy Initial Observations: Weather - Heavily clouded but not completely overcast. Little or no wind. General Conditions - Still very little algae on shelf - just green (bright, dark green) deposit along edge (wipe off water measurement to read). Some wraps of algae over the light Tan silt ("grey matte"). Scum is heavy and had to be dispersed to observe the fish. Scum is yellow-green in color. 0930 hrs. - Count 50 in southern half of upper shelf. I cannot see the northern half well at all, and can only count 20 there. Est. 130 on the upper shelf. Activity - much active swimming. Much play against rocks. Feeding. Some chasing. I observed no spawning, but I only watched for a few (15-20) minutes. No fish around water meter. Fish constantly active Light - (camera light meter) - incid 14.1, reflect - 8.5