L. Karstun Buffy Lorenz (24) May 13 possibility that meadow near Bridalveil Falls may not have been oiled. He suggested that I contact the Smitheini Engineer (out of town for few days now) for more specific information. Snow to be plowed Monday on road to Gin Flat and Tenavick Flat. He promises that hayes will be available for chain gates this area. Stremman Meadow, 4000 ft., Yosemite Valley, Marjora Cr., Calif. The pools here have obviously been oiled. The odor rising from them is like creosote or camphor. The grases along and in the pools are stained brown. In some parts the surface of the water (especially to the leeward of prevailing breezes in larger pools) is covered with a light brown scum. Pond A is such a pool. Apparently the NW breeze has forced most of the oil to the SE end. Living toads are not found within a radius of 5 ft of this 6x4' patch of oil seum. The Dylar and Buffy toad population appears to be reduced at least by 1/2 at Pond A. I made about 6 sweeps with a dip net in different parts of the pond, sweeping along the bottom in water ranging from 2 to 8