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

USGS Topographic Map WESTPORT – New York Vermont – 1980 – 25K –
One
Printed Map Sheet that is production folded.
Paper
Single-Sided
Scale 1:25,000 (25K)
Map Publisher: United States of America Department of Interior, US Geological Survey (USGS)
CONDITION:
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.
Unique Pictures
of the actual item available in this listing.
When folded the map measures approximately 4 inches by 8 inches.
Please note that the
map name
does not represent the political boundaries of that name.
7.5′ X 15′ MINUTE QUADRANGLE
SHOWING:
Contours and elevations in meters
Highways, roads, and other manmade structures
Water features
Woodland areas
Geographic names
60′ Arc Minutes equals 1° Degree. So a 7.5′ by 15′ (minutes) is also a 1/8° by ¼° (degree).
1:25,000 (25K) is 1 cm on the map represents 250 meters on the ground.
All of my maps are vintage. Maps are intended for historical & collection use, not for navigation.
THIS ITEM IS
ON-HAND
AND
READY TO SHIP
TO THE LUCKY WINNER
DIRECTLY
FROM US!
About USGS maps, a generalization and not precision:
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.
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.
On the front title panel there is a picture of the state.
Usually there is a rectangle on that map that shows the area covered by the map.
USGS topographic map usually is named for the most prominent
feature
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.
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.
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.
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.
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.
The USGS stopped traditional methods of surveying and updating topographic maps based on aerial photography and field checks in 2008.
Scales range from topographic quadrangle maps with scales between 1:10,000 and 1:250,000 as the most commonly used.
They also make special maps that may be compiled of previous maps.
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.
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.
Topographic maps have contour lines which give the elevation of the land.
Common Scales Series in general:
Scales are not the size of the piece of paper or plastic that a map is printed on.
1:24,000 is a ratio and 1/24,000 is a fraction. They typically are the same.
1:24,000 & 1:25,000 – typically 7.5 minute that is about 49 to 70 square miles. On 1:24,000 one inch on a ruler is 2000 feet very roughly under one half mile (½) in the real world.  On 1:25,000 1 centimeter is 0.25 kilometer (¼) and 1 inch is 2083 feet.
1:31,680 – typically 7.5 minute by 7.5 minute. One inch on a ruler is one half mile (½) in the real world.
1:50,000 – 1 inch is about 0.8 mile.  1 cm is 500 meters or ½ kilometer.
1:62,500 – 15 minute (four 7.5 maps would cover the same land area on the map.)  One inch on a ruler is one mile on the ground. The printed 15 minute map sheet is usually smaller than a 7.5 printed map sheet.   Covers 197 to 282 square miles depending upon latitude & longitude location.
1:100,000 metric – 30 minutes by 60 minutes. One centimeter on the map represents one kilometer of distance on the ground.  One inch is about 1.6 miles. Covers about 1,568 to 2,240 square miles depending up the longitude & latitude location.   There are about 500 different maps in this series to cover the contiguous conterminous USA.
1:250,000 – usually 1 degree by 2 degrees (1°x 2°) but can be 1°x 3° . Covers an area ranging from 8,218 square miles at 30° north to 6,222 square miles at 49° north
There are other scales that are smaller, like 1:2,000,000 and a big sheet of paper.
They have produced many different scales based on special projects or needs.
The larger the second number the more area covered. As a fraction the 1/24,000 is bigger piece of pie than a 1/250,000 piece of pie.  In math 1/24,000 equals 0.00004167 and 1/250,000 equals 0.000004.
It takes more paper to cover 1 square mile at 1/24,000 than at 1/250,000.
OC Map Store
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ID: map0208
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