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Transcription
W ater W e ll #11 P a g e 3 DEPTH OF SAMPLE FORMATION at 590 * Medium siz e g rav el, Same as at 560' No clay 600« Fine grained gravel; grain s s lig h t ly rounded; no clay . Average size o f pebbles le s s than 1/8” diameter 610' Medium grained gravel; pebbles up to 1/3" diameter; pebbles s lig h t ly rounded Few peiees o f yellow clay . 99% gravel 620« Fine grained gravel. No clay. Average size pebbles » 1/8" and le s s . Pebbles rounded s lig h t ly 630* Fine grained gravel; pebble size = 1/8" diameter; pebbles s lig h t ly rounded; no clay , s&me as gravel at 620' 640* Fine grained gravel; same as at 6 2 0 '. No clay 650* Fine grained g rav el; same as at 620' No clay 660' Fine grained g ra v e l; same as at 620' No clay 670* Fine grained g ra v e l; s lig h t ly fin e r grained than at 620'% and at 660'. Few pieces o f yellow clay; p r a c t ic a lly 100% gravel; gravel approaches a very coarse sand. 680' Fine grained g ra v e l. Very few peiees o f yellow clay; pebbles are le s s than 1/8" diameter; p r a c t ic a lly 100% g rav el. 690' Fine grained gravel with few pieces o f yellow clay; 90% gravel; pebbles up to 1/3" diameter; average siz e o f pebbles s 1/8" diameter
