River IL MO

Jacks Fork Above Two River

Illinois • 37.1329, -91.4424

Length

46 mi

75 km

Elevation

909′ → 580′

328 ft drop

Stream Order

6

Large River

Slope

0.13%

7.1 ft/mi

Drainage

441 mi²

1,143 km²

Avg Flow

563 cfs

1.4 mph velocity

Path to Mouth

1,143 mi

1,839 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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