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LEGEND OF SYMBOLS USED ON BORING LOGS <br /> USCS SOIL <br /> LOG SYMBOLS SYMBOL DESCRIPTIONS <br /> a. GW WELL-GRADED GRAVELS,GRAVEL-SAW <br /> BULK/GRAB SAMPLE MIXTURES WITH LITTLE OR NO FINES <br /> e O Gp POORLY-GRADED GRAVELS,GRAVEL-SAND <br /> MODIFIED CALIFORNIA SAMPLER c MIXTURES WITH LITTLE OR NO FINES <br /> (2.5 inch inside diameter) ked DO GM SILTY GRAVELS,GRAVEL-SILT-SAND <br /> MIXTURES <br /> STANDARD PENETRATION CLAYEY GRAVELS,GRAVEL-SAND-CLAY <br /> SPLIT SPOON SAMPLER GC MDc7URES <br /> (2.0-inch O.D.X 1.4-inch I.D.) <br /> S W WELLGRADED SANDS,SAND-GRAVEL <br /> SHELBY TUBE MIXTURES WITH LITTLE OR NO FINES <br /> (3 inch outside diameter) SP POORLY-GRADED SANDS,SAND-GRAVEL <br /> MIXTURES WITH LITTLE OR NO FQJES <br /> BDBGM SIZE CORE BARREL SM SILTY SANDS, <br /> i i (1.65-inchl.D.) SAND-GRAVELSILTMIXIURES <br /> SC CLAYEY SANDS, <br /> NX SIZE CORE BARREL SAND-GRAVEL-CLAY hUXT.TRES <br /> (1.875-inch I.D.) INORGANIC SILTS&VERY FINE SANDS, <br /> IL SILTY OR CLAYEY FINE SANDS, <br /> CLAYEY SILTS WITH SLIGHT PLASTICITY <br /> HQ-3 SIZE CORE BARREL INORGANIC CLAYS OF LOW TO MEDIUM <br /> (2.4-'inch I.D.) CL PLAsncrrY,GRAVELLY CLAYS, <br /> SANDY CLAYS,SILTY CLAYS,LEAN CLAYS <br /> ORGANIC SILTS&ORGANIC SILTY CLAYS <br /> Z WATER LEVEL OL OF LOW PLASTICITY <br /> (level when:fast encountered) <br /> INORGANIC SILTS,MICACEOUS OR <br /> V WATER LEA' ME DIATOMACEOUS FINE SAND OR SILT <br /> (level after completion) <br /> CH INORGANIC CLAYS OF HIGH PLASTICITY, <br /> GENERAL NOTES FAT CLAYS <br /> I. Lima separating strata on the logs represent approximate <br /> -- CL►YSTONE <br /> boundaries only. Actual transitions may be gradual. <br /> 2. No wasanty is provided as to the continuity of soil or rock <br /> conditions between individual sample locations, -- SHALE <br /> 3. Logs represent gerwal soil or rode conditions observed at the <br /> point ofexploration on the date indicated <br /> SANDSTONE <br /> 4. In general,Unified Soil Classification designations presented on —_ <br /> the logs were based on visual classification in the field and were <br /> modified where appropriate by visual classifications in the office, -, LIMESTONE <br /> and/or laboratory gradation and index property testing. <br /> 5. NV a No Value;NA-Mot Analyzed;NP-No Plasticity M FILL. <br /> 6. Exp-percent expansion under defined surcharge pressure. <br /> 7. Com-Percent compression under defined surcharge pressure. <br /> Note:Fine grairhed soils that plot within the hatched area on=2t <br /> & 301X indicates number of blows requited to drive the identified and cam grained soils with between$%and 12%passingsampler X innches with a 140 lb hammer falling 30 inches. require dual USCS symbols,ie..GW-GM,GP-GM,GW-GC <br /> a SW-SM.SP-Slut.SW-SC,SP-SC,SC•SM <br /> BORING LOG LEGEND <br /> (OKLEJIJVFELDER CSU-Clear Spring Ranch Monitoring Wells <br /> `---� Northwest of Ray Nixon Road and Interstate 25 <br /> Drafted By: B.Mustain Project Number Colorado Springs,Colorado <br /> Data: Decetntter,2008 99533 <br /> CCW#t taaar haw,aha 2006 <br />