Geologic Map of the Poverty Bay 7.5' quadrangle, King and Pierce counties, Washington
Scientific Investigations Map
2854
By: Derek B. Booth, H.H. Waldron, and K. G. Troost
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Abstract
The Poverty Bay quadrangle lies near the center of the region?s intensively developing urban core. Less than 20 km north lies the city of Seattle; downtown Tacoma lies just southwest of the quadrangle. The map area expresses much of the tremendous range of Quaternary environments and deposits found throughout the central Puget Lowland. Much of the ground surface is mantled by a rolling surface of glacial till deposited during the last occupation of the Puget Lowland by a great continental ice sheet about 14,000 years ago. A complex sequence of older unconsolidated sediments extends far below sea level across most of the quadrangle, with no bedrock exposures at all.
Suggested Citation
Booth, D.B., Waldron, H., and Troost, K.G., 2004, Geologic Map of the Poverty Bay 7.5' quadrangle, King and Pierce counties, Washington: U.S. Geological Survey Scientific Investigations Map 2854, 1 sheet, 52 x 35 inches, https://doi.org/10.3133/sim2854.
ISSN: 2329-132X (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geologic Map of the Poverty Bay 7.5' quadrangle, King and Pierce counties, Washington |
| Series title | Scientific Investigations Map |
| Series number | 2854 |
| DOI | 10.3133/sim2854 |
| Year Published | 2004 |
| Language | ENGLISH |
| Description | 1 sheet, 52 x 35 inches |
| Scale | 24000 |