The contrast rating system is a systematic process used by the Bureau of Land Management (BLM) to analyze potential visual impact of proposed projects and activities. It is primarily intended to assist Bureau personnel who are not formally trained in the design arts to apply the basic principles of design in the resolution of visual impacts. It is not intended to be the only means of resolving these impacts. It should be used as a guide, tempered by common sense, to ensure that every attempt is made to minimize potential visual impacts.
Bureau of Land Management. 1986a. Manual 8431 - Visual Resource Contrast Rating. Rel. 8-30. Washington D.C.: Bureau of Land Management. January 17.
Bureau of Land Management. 1986a. Manual 8431 - Visual Resource Contrast Rating. Rel. 8-30. Washington D.C.: Bureau of Land Management. January 17.
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