Spatial Decision Support System for Watershed Management
Web-GIS - Online Watershed Delineation - L-THIA
Select your state from EPA Region 5

Watersheds in New York State along the Great Lakes Under Construction
Swan Creek (Ohio) Management System LTHIA
Designed by Bernard A. Engel, Programmed by Jin-Yong Choi, and Tong Zhai, and maintained and supported by Larry Theller in CAAGIS (Center for Advanced Applications in GIS)
Agricultural & Biological Engineering Department, Purdue University
ABE Bldg. 225 S. University Street, West Lafayette, IN 47907-2093
This tools have been developed with support from USEPA, USDA, INDOT JTRP, and US Army CERL and COE
(C) Copyright, 2009 by Purdue Research Foundation, West Lafayette, Indiana 47907. All Right Reserved.
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