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Bureau of Land Management: Identifying Land with Wilderness Characteristics By: Heather Evans
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What is Wilderness? Wilderness Act 1964 Land untrammeled by man, where man is a visitor and does not remain Generally affected by the forces of nature Outstanding opportunity for solitude Has at least 5,000 acres of contiguous land with said features - Wilderness.net
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What are Lands with Wilderness Characteristics Managed by The BLM?
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Human Influence Substantially natural, with no signs of human influence:
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Recreation Land must provide ample opportunity for solitude and primitive recreation: No sights, sounds, or human destruction
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Supplemental Size Areas must have at least 5,000 acres of contiguous land without roads
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Road or Route Was the route initially constructed? Has the route received mechanical maintenance? Does it receive regular and continuous use?
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Supplemental value? Evidence of human use?
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Supplemental Values Cultural sites Historic sites
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Are these significant impacts to naturalness? Old vehicle body Communication site
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How does GIS Contribute?
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Determine BLM Administered Lands USFS Acreage: 15,070 Acres State Acreage: 3,380 Acres Private Acreage 750 Acres Exclude Lands not Administered By BLM USFS Roadless Areas administered under three categories: 1B: Road const & re-const prohibited. 1B-1: Admin endorsed for wilderness mgt 1-C Temp Road const & re-const is allowed.
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Aerial Photography identify possible intrusions Review the area using aerial photography 1 1 1 1: Vegetation Manipulation 2 2 2 2: Vehicle route Reviewing aerial photos provides an overview of potential intrusions and other uses in the area such as stock ponds or mining activity.
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My Map Layers: Rich County, BLM, Roads Measuring Tool: Road width averages Buffer: road layer Creation of New Layers/Attribute fields Exploded: 5,000 contiguous acres
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What I Found 269 County, State, and Private roads in Rich County 8 polygons with at least 5,000 contiguous acres BLM officials must do field work to inventory found polygons
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Thank You Scott Festin West Desert District BLM GIS Specialists and Recreation Planners Utah GIS Portal
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