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Transcription
C55 67-8
Carol J. James
Devil's Hole, DVNM, Ash Meadows, Nye Co.,
Nevada.
21 August 1967
1740 - 2000 hrs.
Steve and Carol James
Initial Observations:
Weather - partly cloudy Wind - none
Algae - good cover on shelf. Still somewhat
sparse: in deep portion at NW portion of
upper shelf. Bubbles on algae +
Few on surface.
Scum - covers only about 1/3 of upper
shelf - not over lower shelf at all.
However, scum that is present is very
"heavy" - falling into water when touched.
Water very clear.
Beetles & planaria on rocks.
C. diaboli - ~20 fish on surface.
Est. 350+ on shelf. Some chasing
observed. Many juveniles.
Water level - (1800 hrs) 2.0f on scale.
Collection:
Collection of fish was made only by
seining. We used a 6' x 6' (3/4" mesh) umbrella
seine. We put it in at about 1810 hrs. and