Parent Layer: TCSI Project Areas

Name: Tahoe Headwaters Treasured Landscape

Display Field: project

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This feature class (FC) represents the Tahoe HeadwatersTreasured Landscape boundary comprising a portion of the Tahoe NF Truckee RD, nearly the entire American River RD, and the West Shore Treasured Landscape on the LTBMU.PARENT DESCRIPTION - This data set is a complete digital hydrologic unit boundary layer to the Subbasin (8-digit) 4th level for the entire United States. This data set consists of geo-referenced digital data and associated attributes created in accordance with the "Federal Guidelines, Requirements, and Procedures for the National Watershed Boundary Dataset; Chapter 3 of Section A, Federal Standards, Book 11, Collection and Delineation of Spatial Data; Techniques and Methods 11-A3" (04/01/2009). http://www.ncgc.nrcs.usda.gov/products/datasets/watershed/index.html . Polygons are attributed with hydrologic unit codes for 1st(Region), 2nd(Sub-Region), 3rd(Basin), and 4th(Sub-Basin) Hydrologic Unit Level codes, names, Sub-Basin acres and square miles. This data set was obtained from the source in July 2012.EDITING HISTORY:4/26/2017 - Had phone conversation with Dorian Fougeres in Chuck Brickey's office - Dave Fournier was in attendance. Conversation addressed Tahoe Headwaters TL boundary. After phone call, was instructed by Dave to modify boundary per phone call agreement - 1) make TL boundary coincident with the Administrative Boundaries along the ENF and LTBMU in the southeast portion of boundary - that is, no TL boundary extending onto Eldorado NF, and 2) Modify boundary northeast of Tahoe City to include small portion of Lake Tahoe West Collaborative boundary thats not currently included. All spatial edits and metadata update done by TNF GIS staff, Chuck Brickey. 2/1/2017 - Per Dave Fournier's request, modified the boundary to assimilate Truckee TL, West Short TL, and westside American River TL While combining boundaries, per Sally Hallowell (TNF GIS Specialist) updated Truckee TL to be coincident with HU10 watershed boundaries where applicable - this included "Little Truckee River" (1605010201), and "Prosser Creek-Truckee River" (1605010202). The update of the two HU10 boundaries did not significantly change boundary locations. All spatial edits and metadata updated by TNF GIS staff, Chuck Brickey.9/6/2016 - Per Dave Fournier’s request, modified TL boundary along northern boundary to be coincidental with northern boundary of HU12_Subwatershed – “Rattlesnake Creek-South Yuba River”. All spatial edits and metadata updated by TNF GIS staff, Chuck Brickey.

Copyright Text: Funding and support for the Watershed Boundary Dataset (WBD) were provided by the Natural Resources Conservation Service, the Environmental Protection Agency, and the United States Geological Survey. Representatives from the U.S. Geological Survey and Environmental Protection Agency contributed a substantial amount of time and salary towards quality review and updating of the dataset in order to meet the Federal Standards for Delineation of Hydrologic Unit Boundaries.

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YMin: 4707052.97611879
XMax: -1.3360464383330606E7
YMax: 4809230.603537171
Spatial Reference: 102100  (3857)

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