Counties, states, countries, continents, or oceans | |
Jefferson | county |
Arkansas | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Ladd | quadrangle 1:24,000 scale |
De Witt | quadrangle 1:100,000 scale |
Helena | quadrangle 1:250,000 scale |
Watershed boundaries (USGS hydrologic units) | |
Lower Arkansas-Maumelle | hydrologic unit |
Lower Arkansas-Fourche La Fave | hydrologic accounting unit |
Lower Arkansas | hydrologic subregion |
Arkansas-White-Red | hydrologic region |
Unit | State | Lithology |
---|---|---|
Alluvium - Alluvial deposits in major stream channels or in mappable meanders of major streams | AR | Holocene |
Alluvium - Alluvial deposits of local streams or of overbank flow of major streams | AR | Holocene |
Terrace deposits | AR | Late Pleistocene |
ID | Data type | Description |
---|---|---|
Helena | M/R-D | Helena 2979 line km with spacing 9.66 km over parts of AR-MS-TN |
Domain | Crust type | Region |
---|---|---|
Sabine | Continental arc | Gulf Coast |
Site name | Development | Commodities |
---|---|---|
Unk | Past Producer | SDG |
Sandhog Dredge | Producer | SDG |