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<br />.' <br /> <br />t';\lC7~J <br /> <br />Draft <br /> <br />August 5, 1996 <br /> <br />MEMORANDUM <br /> <br />To: <br />From: <br />Subject: <br /> <br />File <br />Ray R. Bennett <br />Subtask 2.03 White River Aggregated Irrigation Structures <br /> <br />Introduction <br /> <br />This memo describes the results of Subtask 2.03, White River Aggregated Irrigation <br />Structures. The objective of this task was as follows: <br /> <br />Aggregate the Irrigation structures not explicitly modeled in Phase II by manually <br />drawing aggregation boundaries on the map. All irrigation structures falling <br />within a boundary will be aggregated into a single structure. A table will be <br />generated from ARC/INFO listing the individual WDID's associated with each <br />aggregation boundary. <br /> <br />Approach and Results <br /> <br />Identify Aggregated Boundaries As presented on Exhibit 1, 16 aggregated boundaries <br />were identified for the White River Basin. These were selected base on: <br /> <br />. Base flow hydrology, <br /> <br />. Spatial proximity <br /> <br />· Endangered Species instream flow reaches, <br /> <br />. existing structures modeled <br /> <br />. New tributaries, <br /> <br />. Critical Administrative reaches, <br /> <br />. Return flows, <br /> <br />· Aggregated irrigated area size (should not exceed 1,000 acres) <br />