Table 2. Drainage area of major watersheds, Gasconade River watershed, Missouri (Watersheds in Missouri, USDA, NRCS, 1990). The hydrologic unit (HU) code - 10290201 and 10290203 - is the prefix to the 11-digit HU (USGS, NRCS) code.
USGS Code Watershed Max. Order Area (acres) Area (sq. mi) % of watershed
01-010 Upper Gasconade River 5 232,320 362.8 12.9
01-020 Beaver Creek 5 85,120 132.9 4.7
01-030 Upper Osage Fork 5 214,960 335.7 12.0
01-040 Lower Osage Fork 5 109,440 170.9 6.1
01-050 Upper Gasconade River Tributaries 6 150,400 234.9 8.4
01-060 Roubidoux River 5 181,220 283.1 10.1
01-070 Middle Gasconade River 6 155,520 242.9 8.7
03-010 Little Piney Creek 5 190,720 297.9 10.6
03-020 Lower Gasconade River 7 221,430 345.9 12.3
03-030 Third Creek 5 64,910 101.4 3.6
03-040 Lower Gasconade River Hills 7 191,090 298.5 10.6
Total Gasconade River watershed 1,797,130 2806.9

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