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base map |
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base map [′bās ‚map] (mapping) A map having essential outlines and onto which additional geographical or topographical data may be placed for comparison or correlation. Also known as mother map. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Some students excelled in using the software and were responsible for digitally tracing impervious landcover features from an aerial photo base map. These datasets provide high-quality base map layers for GIS work and, especially with the yearly release of ESRI Data & Maps, provide longitudinal data that allow for the study of change over time. The 50 addresses that were not geocoded, and hence removed from the analysis, consisted mainly of rural routes and post office boxes that the base map was unable to locate (Hurley et al. |
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