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County Area, Oregon <br />339 <br />TABLE 12.--ENGINEERING ZNDEX PROPERTIES--Continued <br />73- <br />L ii <br />74B <br />741 <br />L. <br />75- <br />Ma <br />76* <br />Ma: <br />Url <br />77B <br />Ma'. <br />78- <br />Mc <br />79- <br />Mcl <br />- - Classif ication Frag- Percentage passing ---- <br />>il name and Depth USDA texture ments sieve number-- Liquid Plas- <br />~ap symbol Unified AASHTO > 3 limit ticity <br /> inches 4 10 40 200 index <br /> <br />In <br />Pct <br />Pct _ <br />.------------- 0-16 Cobbly loam------ MH A-7 10-25 85-95 80-90 70-85 55-80 60-70 10-20 <br />iney 16-50 Cobbly clay loam, MH A-7 20-30 90-95 85-90 75-85 55-75 55-65 10-20 <br /> Cobbly loam. <br /> 50-59 Cobbly loam, very MH A-7 15-40 85-95 80-90 65-80 50-75 50-65 10-20 <br /> Cobbly loam. <br /> 59 Weathered bedrock --- --- --- --- --- --- --- --- <br />71F, 71G, <br />', 72G-------- 0-13 Stony loam------- GM, ML A-2, A-4 15-30 50-75 50-70 40-65 30-55 25-35 5-10 <br />.ickitat 13-39 Very gravelly GC, SC A-2, A-6 20-40 45-70 35-65 30-65 25-50 30-40 10-15 <br /> clay loam, very <br /> Cobbly clay <br /> loam, extremely ~ I <br /> Cobbly clay <br /> loam. <br /> 39-50 Very Cobbly loam, GM, SM A-2, A-4 30-55 35-70 30-60 25-60 20-50 25-35 5-10 <br /> extremely Cobbly <br /> loam. <br /> 50 Unweathered --- --- --- --- --- --- --- ~ --- --- <br /> bedrock. <br />.------------- 0-16 Loam------------- ML A-4 0 100 95-100 80-95 60-75 30-40 5-10 <br />slaw 16-42 Clay loam, clay CL A-7 0 100 95-100 90-100 65-90 40-50 20-25 <br /> 42-56 Clay------------- CL, CH A-7 0 100 95-100 85-100 70-90 45-55 20-30 <br /> 56-60 Sandy loam, sandy SM, ML A-4 0 100 95-100 60-90 30-55 20-40 NP-10 <br />• clay loam. <br />74C, 74D, <br />------------- 0-16 Silt loam-------- MH A-5 0 100 95-100 90-100 70-85 50-65 NP-10 <br />nt 16-69 Silt loam, silty MH A-7 0 100 95-100 85-95 65-75 50-60 10-15. <br /> clay loam. <br />------------- 0-12 Silty clay loam ML A-6 0 95-100 90-100 80-100 75-95 35-40 10-15 <br />.abon 12-42 Silty clay, silty CL A-7 0 95-100 90-100 85-100 80-95 45-50 20-25 <br /> clay loam. <br /> 42-60 Clay loam, loam ML A-6, A-4 0 95-100 85-100 70-100 60-80 30-40 5-15 <br />,abon--------- 0-12 Silty clay loam ML A-6 0 95-100 90-100 80-100 75-95 35-40 10-15 <br /> 12-42 Silty clay, silty CL A-7 0 95-100 90-100 85-100 80-95 45-50 20-25 <br /> clay loam. <br /> 42-60 Clay loam, loam ML A-6, A-4 0 95-100 85-100 70-100 60-80 30-40 5-15 <br />.an land. <br />•------------- 0-15 Cobbly silty clay CL, GC A-7, A-6 15-40 60-85 50-80 50-80 40-75 35-45 15-20 <br />•cala loam. <br /> 15-60 Very Cobbly clay, GC, CH A-2, A-7 30-60 30-75 20-70 20-70 15-65 50-60 25-35 <br /> very gravelly <br /> clay, extremely <br /> Cobbly clay. <br />•------------- 0-14 Silty clay loam ML, CL A-6 0 100 95-100 90-95 80-95 35-40 10-15 <br />~lpin 14-60 Silty clay, clay CL A-7 0 100 95-100 90-100 85-95 40-50 15-25 <br />•------------- 0-24 Silty clay loam ML A-6 0 100 100 95-100 85-95 35-40 10-15 <br />gee 24-41 Silty clay loam, ML A-6 0 100 100 95-100 80-95 35-40 10-15 <br /> clay loam, silt <br /> loam. <br /> 41-62 Silty clay, CL, GC A-6 0 55-100 50-100 50-100 45-95 30-40 10-15 <br /> gravelly loam, <br /> silt loam. <br />See footnote at end of table: <br />