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<br />TY PI CA L CR~ySS SECTI GN GF h1A NZA PJGLA SERIES <br />horizon <br />AP <br />E~1 t .........` .. <br />salVaSe ---------------y' <br />dept h s~?~ t .......... <br />(12 in.? <br />B 3 c a ........... <br />C .............. <br /> <br />characteristics <br />__- 0 to 6 in., clay IOaM, <br />alkaline, <br />...................... hard <br />............................ <br />--- 6 to 10 in., heavy clan loai~~, <br /> <br />-^-10 to 17 In. , heavy CI•ay IGcIM, <br />Very hard: <br />....... <br />. cal., alk. <br />.... <br />........ <br />17 to ~2 in. ............................. <br />, clay IoaM, <br />Very hard, <br />...................... cal., Mod. alk. <br />............................. <br />--- 32 to 60 in., clay IoaM, <br />extrer~elu hard, Masses of I ire <br />caloareous, Mod. alkaline. <br />FIGURE 5 <br />diagraM <br />