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Bureau of Land Management
Visual Resources

Visual Resources Glossary

Select a letter from the list below to view glossary terms and acronyms/abbreviations. The agency abbreviation following the definition indicates the definition source.


A B C D E F G H I K L M N O P Q R S T U V W
Observer position
The vertical and horizontal placement of a viewer relative to the landscape being viewed. (BLM, NPS, USFS)