Page 6 - cooksey1934
P. 6
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siz.e and Natural Boundari es
The re·gion under cons·ideration is roughl.y
triangular 1n ·shape,, the base or the triangle
being formed by- t he f,anta Clara River Valley on the
n·orth and · the two sides by the crystalline mass o'f
the san Gabriel .Mts. and the lowlands between Saugus
and Newha 11.
The area of th1 s triangle is approximately
20 to 25 square milea., most of which was covered
by the w~it er dur~mg the course ~ the field wor k.
Purpose ·ot J:nv~stigat1on
This investigation was carried out in IJ1.rtial
fulf1.llment of too requirements for the d.egree of
Master of Science at tbe Caliro n ia lnst1tute or
T·eebno1ogy. The work forms. a unit 1n an extensive
areal mapping program designed to cever those
portions ~ the Santa Clara River basin lying between
tbe san Gabriel Mt s. on t he south and 'the erysta.111:ne
massif extending eastward from Liebre Mountain on the
nor:tb.
