- County of Marin
- Ridge and Upland Greenbelt is designated in the Marin Countywide Plan as "visually prominate ridgelines". They are also known as "community separators". The map denotes the spatial extent defined in the Countywide Plan.
- San Rafael (Calif.). County Of Marin Community Development Agency.
- Marin County (Calif.)
- Planning and Cadastral and Land Use
- Held by
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