{ "culture": "en-US", "name": "ForestCover_1820", "guid": "1158EC6E-7380-48D5-BBF2-5ABE2E5EC4A5", "catalogPath": "", "snippet": "Anderson (1970) published this map of Illinois showing\nthe distribution of forest and prairie around 1820.\nIt was created using GIS and the original Government Land Office (GLO) maps from the early 1800s. It shows the breakout\nof forest, prairie, and water and can be used to created acreages by county and by region. Although the map is very useful, it does not relay\ninformation about the species composition of forests nor is\nits resolution high enough to locate small (<500 acres)\nparcels, such as hill prairies or forest groves. ", "description": "", "summary": "Anderson (1970) published this map of Illinois showing\nthe distribution of forest and prairie around 1820.\nIt was created using GIS and the original Government Land Office (GLO) maps from the early 1800s. It shows the breakout\nof forest, prairie, and water and can be used to created acreages by county and by region. Although the map is very useful, it does not relay\ninformation about the species composition of forests nor is\nits resolution high enough to locate small (<500 acres)\nparcels, such as hill prairies or forest groves. ", "title": "ForestCover_1820", "tags": [ "illinois", "land cover", "forest", "prairie", "water", "early 1800s" ], "type": "Map Service", "typeKeywords": [ "Data", "Service", "Map Service", "ArcGIS Server" ], "thumbnail": "thumbnail/thumbnail.png", "url": "", "extent": [ [ -91.6743674145255, 36.9100400001778 ], [ -87.0206295276211, 42.5669644289729 ] ], "minScale": 0, "maxScale": 1.7976931348623157E308, "spatialReference": "NAD_1983_UTM_Zone_16N", "accessInformation": "", "licenseInfo": "" }