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summary: WBD HUC12 Watersheds
tags: ["watershed","NHD","National Hydrographic Dataset","HUC8","HUC4","hydrologic units"]
snippet: WBD HUC12 Watersheds
type: Map Service
accessInformation: RF
guid: D50867C8-2376-44A3-BDEE-7FE19129BAA8
title: WBD HUC12 Watersheds
thumbnail: thumbnail/thumbnail.png
extent: [[-124.409732621027,32.5343510331265],[-114.073043998035,42.1968391296176]]
description: The HUC12 sub-watershed hydrologic unit boundaries average around 250,000 acres. They are the smallest watershed unit in the National Hydrographic Dataset (NHD) for the state of California. They are subsets of the larger HUC8 watersheds as well as the larger HUC4 regional hydrologic units. They provide a uniquely identified and uniform method of subdividing large drainage areas.
name: WBDHUC12watersheds
typeKeywords: ["Data","Service","Map Service","ArcGIS Server"]
spatialReference: WGS_1984_Web_Mercator_Auxiliary_Sphere
culture: en-US