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BAEN 673

HYDROLOGIC UNITS ? WatershedsReaches ? Stream segments. Basic Terminology. Hydrologic Unit Maps. The U.S. Geological SurveyThe U.S., Puerto Rico and the Virgin Is.1. Divided into 21 major regions2. Subdivided into 222 subregions3. Subdivided into 352 accounting units6-digit HUC numbers4. Su

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BAEN 673

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    1. BAEN 673 / January 24, 2012 Assignments HW#2 assigned HW#1 is due Thur (1/26) Topics today Hydrologic Unit Maps U.S. EPA Reach Files

    2. HYDROLOGIC UNITS ? Watersheds Reaches ? Stream segments Basic Terminology

    3. Hydrologic Unit Maps The U.S. Geological Survey The U.S., Puerto Rico and the Virgin Is. 1. Divided into 21 major regions 2. Subdivided into 222 subregions 3. Subdivided into 352 accounting units 6-digit HUC numbers 4. Subdivided into 2,149 cataloging units 8-digit HUC numbers The 4 levels of subdivision are referred to as ? HYDROLOGIC UNITS

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