Lithologic Log for Dunlap Acres (2S/2W-4L2-6)
Shaker - quick summary
[Altitude of land surface, approximately 2065 2065 feet above mean sea level (NGVD29). Depth is in feet below land surface. Soil and rock color notation from Munsell Color (1998). Drilled by U.S. Geological Survey, April 2004. Total depth drilled 1107 feet Screened intervals: 1010-1050, 830-850, 590-610, 440-460, and 230-250 feet]
| Depth(ft) | Description |
|---|---|
| 20 | Sand; fine to coarse sand, dark grayish brown 2.5Y 4/2 |
| 30 | Clayey sandy silt; silt w/ v. fine to fine sand and clay, dark grayish brown 2.5Y 4/2 |
| 60 | Slightly clayey silty sand; coarse sand w/ silt to fine sand and some clay, light olive brown 2.5Y 5/3 |
| 90 | Clayey sandy silt; fine to v. fine sand w/ silt and clay, brown 10YR 5/3 |
| 120 | Silty sand; V. coarse to coarse sand w/ finer sands and silt, brown 10YR 5/3 |
| 130 | Sandy silt; Silt w/ very fine to fine sand, brown 10YR 5/3 |
| 160 | Silty sand; V. coarse to coarse sand w/ finer sands and silt, brown 10YR 5/3 |
| 180 | Sand; V. coarse to coarse sand, yellowish brown 10YR 5/4 |
| 190 | Sandy clayey silt; Silt w/ clay and coarse to v. coarse sand, light olive brown 2.5Y 5/3 |
| 210 | Silty sand; Coarse to v. coarse sand w/ silt and finer sands, brown 10YR 5/3 |
| 230 | Clayey sandy silt; Silt w/ v. fine to coarse sand and clay, brown 10YR 5/3 |
| 270 | Slightly silty sand; V. coarse to coarse sand w/ some silt, yellowish brown 10YR 5/4 |
| 280 | Clayey silt; Silt w/ clay, dark yellowish brown 10YR 4/4 |
| 310 | Slightly silty sand; V. coarse to coarse sand w/ some silt, yellowish brown 10YR 5/4 |
| 320 | Sandy silt; Silt w/ v. fine to fine and coarse to v. coarse sand, brown 10YR 5/3 |
| 410 | Slightly silty sand; V. coarse to coarse sand w/ some silt, light yellowish brown 2.5Y 6/4 |
| 490 | Sand; V. coarse to coarse sand, light yellowish brown 2.5Y 6/4 |
| 520 | Sandy silt; Silt w/ v. fine sand and some coarse to v. coarse sand, dark yellowish brown 10YR 4/4 |
| 640 | Slightly gravelly sand; V. coarse to coarse sand w/ occasional granules, light yellowish brown 2.5Y 6/4 |
| 660 | Sandy silt; Silt w/ v. coarse to coarse sand, light olive brown 2.5Y 5/3 |
| 710 | Slightly gravelly sand; V. coarse to coarse sand w/ occasional granules and small pebbles, light |
| 780 | Silty sand; Coarse to v. coarse sand w/ silt, yellowish brown 10YR 5/4 |
| 840 | Sand; V. coarse to coarse sand, light yellowish brown 2.5Y 6/3 |
| 910 | Silty sand; V. coarse to coarse sand w/ silt, light olive brown 2.5Y 5/3 |
| 940 | Sandy silt; Silt w/ v. coarse to coarse sand, olive gray 5Y 5/2 |
| 1020 | Silty sand; V. coarse to coarse sand w/ silt, light olive brown 2.5Y 5/3 |
| 1040 | Sandy silt, Silt w/ v. coarse to coarse sand, light olive brown 2.5Y 5/3 |
| 1090 | Slightly clayey sandy silt; Silt w/ some coarse to v. coarse sand and clay, light olive brown 2.5Y 5/3 |
| 1100 | Silt- sand, Coarse to very coarse sand and silt, light olive brown 2.5Y 5/3 |
Questions about Optimal Basin Management? Please contact Wes Danskin (email: wdanskin@usgs.gov or send a letter). 619.225.6132
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