WIP Assessment Areas by County and HUC 8 Watersheds
收藏California State Geoportal2026-03-28 收录
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https://gis.data.ca.gov/maps/27af00cab61543acac66983cfb99528d
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资源简介：
This map layer depicts the Sierra Nevada Conservancy's Watershed Improvement Program (WIP) Administrative Boundaries, which are known as Watershed Assessment Areas (AA). These boundaries are further delineated by California counties and the National Hydrography Dataset HUC 8.
提供机构：
California State Geoportal
