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[S-N cross section of water front area in field book]
S end lowest terrace (bluff) looking N.E. from Crawfish Georges towards Timms Point , contorted Miocene shales overlaid by horizontal layers of upper San Pedro.
Lumber yard bluff looking SW toward San Pedro Valley , upper and lower Pleistocene, unconformable. Upper soil is kitchen midden. Lumber yard fauna more like that 200 or 300 miles further south shows a change in climate.
Pliocene lithologically and faunally same as at San Diego . 28 Pliocene species at Timm's Point . Pliocene also found at R.R. cut in bluff in S.E. San Pedro, with a stratum filled with Thracia trapezoides .
Lower San Pedro in bluffs, 140 species, including 14 not found on Deadman Island .