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Cañon Contreros, Feb. 24, 1949.
    We drove to 10,200 feet and collected 
in the fir woods there. The fir belt starts
at 9,500 and continues as high as we went. Below
the fir belt is pine, with a sprinkling of oak.
This shows a gradual transition to much oak
and little pine, and finally no pine. Small side
cañons have streams fed by mt. springs. All 
stream beds + spring sources are quite rocky.
Carla Wagner and I worked up a small stream,
turning rocks in and on the edges of the stream.
Nothing there. I tried rocks on the side of 
the hill, no luck till I got to the edge of a small
wet area, fed by several springs. I found 3
Oedipus under rocks, the underside being 
fairly dry, or only damp. There were no 
salamanders in the very wet areas.

I went down about 150 ft to a level
area which had been used as a campsite, and 
which was damp all over, as a small stream
crossed it. It was almost marshy. Again
in the dryer part, I turned a rock and found
a Hyla Lafrentzi. He did not try to get away. 
Helmut says he has never seen the species
before.

Cañon Contreras, Feb. 25, 1949. A.M.
We arrived in the woods before the sun
had fully come up, and the air and ground were
quite chilly. I followed a small canyon, with
what must be a fairly permanent waterflow.
I found nothing, neither on the stream or in