{ "currentVersion": 10.61, "serviceDescription": "", "mapName": "Layers", "description": "", "copyrightText": "", "supportsDynamicLayers": true, "layers": [ { "id": 0, "name": "Contours_OffshoreBolinas", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 1, "name": "Faults_OffshoreBolinas", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 2, "name": "Folds_OffshoreBolinas", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 3, "name": "Geology_OffshoreBolinas", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 4, "name": "Habitat_OffshoreBolinas", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 5, "name": "SeafloorCharacter_OffshoreBolinas.tif", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 6, "name": "BathymetryHS_OffshoreBolinas.tif", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 7, "name": "BackscatterA_8101_2004_OffshoreBolinas.tif", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 8, "name": "BackscatterB_8101_2007_OffshoreBolinas.tif", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 9, "name": "BackscatterC_7125_OffshoreBolinas.tif", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 10, "name": "BackscatterD_Snippets_OffshoreBolinas.tif", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 11, "name": "BackscatterE_Swath_OffshoreBolinas.tif", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 }, { "id": 12, "name": "Bathymetry_OffshoreBolinas.tif", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0 } ], "tables": [], "spatialReference": { "wkid": 102100, "latestWkid": 3857 }, "singleFusedMapCache": false, "initialExtent": { "xmin": -1.3673968192338457E7, "ymin": 4556708.165054263, "xmax": -1.3640858769182833E7, "ymax": 4576377.700413265, "spatialReference": { "wkid": 102100, "latestWkid": 3857 } }, "fullExtent": { "xmin": -1.3668955866114158E7, "ymin": 4552674.363381398, "xmax": -1.3645871095407128E7, "ymax": 4575248.970078413, "spatialReference": { "wkid": 102100, "latestWkid": 3857 } }, "minScale": 0, "maxScale": 0, "units": "esriMeters", "supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP", "documentInfo": { "Title": "", "Author": "", "Comments": "The map area offshore of Bolinas, California, which is referred to herein as the \u201cOffshore of Bolinas\u201d map area, is located on the Pacific Coast of Marin County, 10 km (6 mi) north of the Golden Gate. The town of Bolinas is the largest population center along this section of coast with a population of approximately 1,600 people. Bolinas is named after a local indigenous tribe. Bolinas is situated at the end of a southeast trending terrain on the western side of the San Andreas Fault that also protects a natural harbor. The harbor lies in Bolinas Lagoon, which is separated from Bolinas Bay by a spit. The harbor hosts two marinas, a boat launch, and two fishing ports. There is little recreational boat activity in the harbor. The coastal lands within the Offshore of Bolinas map area lie entirely within the Point Reyes National Seashore, which limits development and allows existing ranching and farming to continue.\nThe map area lies offshore of the northern-trending Coast Ranges that run roughly parallel to the San Andreas Fault Zone (SAFZ) (California Geological Survey, 2002). The western margin of North America is the only continental margin in the world delineated largely by transform faults such as the San Andreas. The Coast Ranges lie to the east of the San Andreas Fault. The coastal geomorphology is controlled by Late Pleistocene to Holocene slip along the fault. Bolinas Bay and Lagoon have formed where a regional depression along the fault zone intersects the coast. An eastward bend in the San Andreas to the south, combined with right-lateral movement, has caused regional extension and the formation of a sediment basin on the continental shelf in and southeast of, Bolinas Bay. \nWith the exception of the area around Bolinas Bay, the coast in the map area consists of high coastal bluffs and vertical sea cliffs. The uplifted region upon which the town of Bolinas is situated is part of a larger uplifted area that offshore produces exposed bedrock habitat. Uplift in this area results in relatively shallow water depths within State waters and little accommodation space for sediment accumulation. The sediment observed in the area is located in the extensional basin area southeast of Bolinas and on the shelf in state waters offshore of uplifted coastal and shelf areas where depths exceed 40 m. Wave energy keeps the uplifted bedrock areas clear of sediment, and sediment in the outer shelf is rippled indicating some mobility.", "Subject": "CSMP is a cooperative program to create coastal/marine geologic and habitat base map information for all of California's State Waters. 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