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| JSON |
| snippet: | |
| summary: | |
| accessInformation: | |
| thumbnail: | |
| maxScale: | 0 |
| typeKeywords: | [] |
| description: | Mandatory Federal Class I areas (NPS, USFS, FWS and BIA) as defined by the Clean Air Act of 1977. Class I areas consist of national parks larger than 6,000 acres and national wilderness areas larger than 5,000 acres, in existence on August 7, 1977. |
| licenseInfo: | |
| catalogPath: | |
| title: | Class I Areas |
| type: | |
| url: | |
| tags: | [] |
| culture: | en-US |
| name: | |
| guid: | |
| minScale: | 0 |
| spatialReference: |