{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "", "description": "55, 60, and 65 dB CNEL noise contours based on flight tracks for Gnoss Field from Figure 3.2: Flight Tracks/Noise Contours in the 1991 Marin County Airport Land Use Plan for Gnoss Field. Marin County Community Development Agency staff digitized the noise contours in February 2024.", "summary": "", "title": "Airport Noise Contour", "tags": [], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 0, "maxScale": 0, "spatialReference": "", "accessInformation": "Cortright & Siebold, Airport Consulting/Engineering/Planning. Digitized by Marin County Community Development Agency.", "licenseInfo": "" }