Bulletin . ately level withthe upper edge of the main field. Farther to the .southeast, and acrossBallona Creek, the hills are much higher, and are known as the Redoudoor Tijera hills. The climate of this region is the far-famed climate of Los Angeles, dryand moderately hot in summer (the daylight temperatures ranging from70° to 90° F.), with a rather small rainfall (some fifteen inches perannum) and mild temperature in winter. In this respect few fieldsanywhere are more favored, there being but few days in the year whenoutdoor labors can not be pursued in perfect comfort. Underground conditio


Bulletin . ately level withthe upper edge of the main field. Farther to the .southeast, and acrossBallona Creek, the hills are much higher, and are known as the Redoudoor Tijera hills. The climate of this region is the far-famed climate of Los Angeles, dryand moderately hot in summer (the daylight temperatures ranging from70° to 90° F.), with a rather small rainfall (some fifteen inches perannum) and mild temperature in winter. In this respect few fieldsanywhere are more favored, there being but few days in the year whenoutdoor labors can not be pursued in perfect comfort. Underground conditions. The Salt Lake field is peculiar among theoil districts of California in that the surface is entirely covered by latesediments, so that no hint whatever is given by the surface as to thestructure beneath. It follows from this that whatever we learn as tounderground conditions here must be gathered from the results of drill-ing, but while the field has now been thoroughly drilled up, and demon- on- fl J. La Brea Lease; Salt Lake Oil Field, Los Angeles County. I


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