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W a te r W e ll #11 P a g e 2 DEPTH OF SAMPLE FORMATION at 490’ Red clay; no pebbles. (Small streak o f gravel at 498* ac­cording to d r i l l e r 's lo g )' 500' Red clay & coarse g ra v e l; pebbles up to 1/2" diameter; 70$ clay; pebbles rounded 510* Red clay & medium grained gravel. Rounded pebbles. Average size o f pebbles = 1/4" diameter 60$ clay 520 ‘ Red clay with small amount o f medium grained g ra v e l. 95$ clay. Average siz e o f pebbles = 1/3" diameter 530* Medium grained gravel & red clay. 60$ g rav el; 40$ clay; pebbles up to 1/2" diameter (Top o f gravel = 535*) 540* Medium sized gravel; pebbles to 1/3" diameter; average siz e pebbles = 1/4" diameter; no clay, s lig h t ly rounded pebbles 550» Coarse gravel; pebbles up to 1/2" diameter. Average siz e o f pebbles = 1/3" No clay; pebbles s lig h t ly rounded 560' Medium size g rav el; s lig h t ly rounded pebbles; pebbles up to 1/2" diameter Average size o f pebbles « 1/4" to 1/3" diameter. No clay 570' Medium siz e g ra v e l. Same as at 560* No clay 580' Medium siz e gravel No elay Same as at 560'