Angel Island Immigration Station Foundation Anza-Borrego Foundation & Institute California League of Park Associations California State Park Rangers Association Castle Crags Interpretive Association Chino Hills State Park Interpretive Association Clear Lake State Park Interpretive Association Cuyamaca Rancho State Park Interpretive Association Friends of Folsom Powerhouse Friends of Santa Cruz State Parks Malakoff Diggins Park Association Mount Diablo Interpretive Association Mount Tamalpais Interpretive Association Santa Barbara Trust for Historic Preservation Save-the-Redwoods League Sierra State Parks Foundation Southwest Wetlands Interpretive Association Stewards of the Coast and Redwoods Valley of the Moon Natural History Association Waddell Creek Association
Endorsers
Anderson Marsh Interpretive Association Angel Island Association Bay Area Open Space Council California Park & Recreation Society Central Coast Natural History Association Chino Hills State Park Interpretive Association Friends of Allensworth Hills for Everyone Mountain Parks Foundation National Trust for Historic Preservation Western Office North Coast Redwood Interpretive Association
