HUC 10090102 LOWER TONGUE - Montana

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Transcript of HUC 10090102 LOWER TONGUE - Montana

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ROSEBUD

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South Sunday Creek

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Muddy Creek

Locate Creek

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Ash Creek

North Sunday Creek

Sweeney Creek

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Little Porcupine Creek

Big Porcupine Creek

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Roseb ud Creek

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Home Creek

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Squirrel Creek

Moon Creek

Beaver Creek

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Sheep Creek

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Little Pumpkin Creek

Cache Creek

East Fork Armells Creek

Hanging Woman Creek

Sand

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Indian Creek

Foste rCreek

Cook Creek

Bear Creek

Sarpy Creek

Stellar Creek

Sand Creek

Pilgrim Creek

Otter Creek

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Rosebud

MilesCity

LameDeer

Forsyth

Colstrip

Busby

Broadus

Ashland

LegendLake - ReservoirPerennial RiverSub Watershed (Sixth Code)CountyWatershed (Fifth Code)Sub Basin (Fourth Code)

¹1:576,000Map Scale:

Sub Basin within Montana Basins

LOWER TONGUE10090102HUCBasin - A basin is a large-scale watershed,such as for the Montana, Missouri, Yellowstoneand Clark Fork rivers. These are also referredto by a U.S. Geological Survey coding schemecalled Hydrologic Unit Codes (HUCs). Each ofthese basins has a six-digit code called HUC6watersheds. HUC6 watersheds cover an averageof 2,525 square miles. Watersheds with moredigits are smaller. Subbasin - Subbasins are smaller scale basins,such as the Clark Fork Yellowstone River, MiddleFork Flathead River, Gallatin River, LowerMusselshell River or Little Bighorn River. Thesewatersheds have eight-digit codes and may becalled HUC8 watersheds. They average of748 square miles.

Watershed - Technically speaking, this refersto all sizes of watersheds as defined above.

However, it is common to use this term to referto watersheds of a size smaller than a basin or

subbasin. These watersheds have 10- digitcodes and may be called HUC10 watersheds.HUC10 watersheds average 64 square miles.Subwatershed - Subwatersheds are smallerwatersheds, on the scale of a community.

These watersheds have 12- digit codes andmay be called HUC12 watersheds. HUC12

watersheds average 4.4 square miles.