Title:

Historical woodland density of the conterminous United States, 1873

Author(s):

Liknes, Greg C.; Nelson, Mark D.; Kaisershot, Daniel J.

Publication Year:

2013

How to Cite:

Appropriate use includes coarse-scale assessment of forestry trends or historical forest conditions. Disclaimer Regarding the Use of USDA Forest Service Data:

The USDA Forest Service manages resource information and derived data as a service to Forest Service users of digital geographic data. The Forest Service is in no way condoning or endorsing the application of these data for any given purpose. It is the sole responsibility of the user to determine whether or not the data are suitable for the intended purpose. It is also the obligation of the user to apply those data in an appropriate and conscientious manner. The Forest Service provides no warranty, nor accepts any liability occurring from any incorrect, incomplete, or misleading data, or from any incorrect, incomplete, or misleading use of these data. Much of the Forest Service data are compiled, processed, and maintained with ArcGIS software developed by the Environmental Systems Research Institute (ESRI). Much of the information presented uses conventions and terms popularized by ArcGIS and its user community. The mention of commercial firms or products is for clarity and identification of procedures and methods only, and no endorsements are implied by the Forest Service.

These data were collected using funding from the U.S. Government and can be used without additional permissions or fees. If you use these data in a publication, presentation, or other research product please use the following citation:

Liknes, Greg C.; Nelson, Mark D.; Kaisershot, Daniel J. 2013. Historical woodland density of the conterminous United States, 1873. Newtown Square, PA. U.S. Department of Agriculture, Forest Service, Northern Research Station. https://doi.org/10.2737/RDS-2013-0006

Abstract:

Historical woodland density of the conterminous United States, 1873 is a digital representation of William H. Brewer's 1873 "Map showing five degrees of density. The distribution of woodland within the territory of the United States." This map was included in the statistical atlas of the United States based on the results of the ninth census 1870 (Walker 1874).

Keywords:

woodland density; William Brewer; historical map; imageryBaseMapsEarthCover; environment; Ecology, Ecosystems, & Environment; Geography; Inventory, Monitoring, & Analysis; Resource inventory; conterminous United States; CONUS

Related publications:

• Walker, Francis A. 1874. Statistical atlas of the United States based on the results of the ninth census, 1870, with contributions from many eminent men of science and several departments of the [federal] government. New York: Julius Bien. https://memory.loc.gov/
• Liknes, G.C.; Nelson, M.D.; Kaisershot, D.J. Unpublished material. Net Change in Forest Density, 1873-2001: Using Historical Maps to Monitor Long-term Forest Trends. Research Map. NRS-XX. U.S. Department of Agriculture, Forest Service, Northern Research Station: Newtown Square, PA. in press

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