USGS Topographic Map WESTPORT - New York Vermont - 1980 - 25K -

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USGS Topographic Map WESTPORT - New York Vermont - 1980 - 25K -<br>One<br>Printed Map Sheet that is production folded.<br>Paper<br>Single-Sided<br>Scale 1:25,000 (25K)<br>Map Publisher: United States of America Department of Interior, US Geological Survey (USGS)<br>CONDITION:<br>Old Map Store Stock: Unsold & Unused. Bio-predation & Oxidation (aging, age discoloration mainly on the outside panels). Edges are worn and faded due to age.<br>Unique Pictures<br>of the actual item available in this listing.<br>When folded the map measures approximately 4 inches by 8 inches.<br>Please note that the<br>map name<br>does not represent the political boundaries of that name.<br>7.5' X 15' MINUTE QUADRANGLE<br>SHOWING:<br>Contours and elevations in meters<br>Highways, roads, and other manmade structures<br>Water features<br>Woodland areas<br>Geographic names<br>60' Arc Minutes equals 1° Degree. So a 7.5' by 15' (minutes) is also a 1/8° by ¼° (degree).<br>1:25,000 (25K) is 1 cm on the map represents 250 meters on the ground.<br>All of my maps are vintage. Maps are intended for historical & collection use, not for navigation.<br>THIS ITEM IS<br>ON-HAND<br>AND<br>READY TO SHIP<br>TO THE LUCKY WINNER<br>DIRECTLY<br>FROM US!<br>About USGS maps, a generalization and not precision:<br>The world, Earth as we know it, is not flat & not two-dimensional. It is sort of a sphere; round & three-dimensional.  Printed Topographic Maps convert this sphere & curvature to a flat, 2D piece of paper as a rectangular quadrangle.<br>The United States Geological Survey (USGS) is a bureau of the U. S. Department of the Interior (DOI) of the United States of America federal government.<br>On the front title panel there is a picture of the state.<br>Usually there is a rectangle on that map that shows the area covered by the map.<br>USGS topographic map usually is named for the most prominent<br>feature<br>within the bounds of the map, which frequently is a community, town, or city. The name given a map can be based on that or a big mountain or big creek or something else that is in the area covered by the map. Map names are not political boundaries or a geographical area name, in other words in may not cover the entire community, city, town or whatever it's named after.  The map covers a specific amount of area.<br>Map names usually don't change, but community or features names change constantly.  A communities area may also change boundaries as well but the map name may not change.<br>When a map covers multiple states a map's primary state is the state that contains the name feature, which is not always the same as the state that has most of the map area.<br>One may need several maps to cover the desired area like a city or hiking trail.  On the back of USGS maps their is usually a box that shows the map names of the adjoining maps.  Typically that map at hand, the one being looked at, is in the center box.<br>Vintage USGS maps:  These are general-use maps at medium scales that present elevation (contour lines), hydrography, geographic place names, and a variety of cultural features.  Historic maps were originally published as paper documents in the period 1884-2006/2009.  All of my USGS maps are original prints from the US Government.<br>The USGS stopped traditional methods of surveying and updating topographic maps based on aerial photography and field checks in 2008.<br>Scales range from topographic quadrangle maps with scales between 1:10,000 and 1:250,000 as the most commonly used.<br>They also make special maps that may be compiled of previous maps.<br>There also may be a sponsoring or co-ordinating entity.  LIke another federal government organization, a county, military, and so on.  Usually they will provide the name of the other organization.<br>Latitude and Longitude along with Seconds, Minutes, and Degrees are physical measurements.  Inches, feet, miles, centimeters,. kilometers, et cetera are flat measurements.  USGS maps help to co-ordinate between the two.<br>Topographic maps have contour lines which give the elevation of the land.<br>Common Scales Series in general:<br>Scales are not the size of the piece of paper