Topographic Map Activity Typo Lake Charles Hendrickson.
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Transcript of Topographic Map Activity Typo Lake Charles Hendrickson.
![Page 1: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/1.jpg)
Topographic Map Activity
Typo LakeCharles Hendrickson
![Page 2: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/2.jpg)
Topographic Maps
• Topographic maps are maps that provide extensive close up detail about a place.
• You can learn a lot from topographic maps, you just need to know how to understand them.
![Page 3: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/3.jpg)
Topographic Maps cont.
• Inside each topographic map there are Townships.
• Each Township is a 6 mile square.
![Page 4: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/4.jpg)
Townships
• Each Township is divided into sections.
• Sections are 1 mile squares.
• Therefore there are 36 sections in a Township.
• There are 640 acres in a section
![Page 5: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/5.jpg)
Sections
• Each section was then broke up and sold in different size lots.
• This is one section that has been divided up.
• The NW1/4,Sw1/4, is a legal description and means that this particular piece of land is in the North west quarter of the south west quarter of the section.
![Page 6: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/6.jpg)
Uses
• Topographic maps have many uses, such as;• Hiking• Orienteering• Architecture• Mining• And many other activities where it is
beneficial to know the lay of the land.
![Page 7: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/7.jpg)
The Typo Lake quadrangleTypo Lake is in the very South East corner of Isanti county.
It is called a quadrangle because there are four townships that meet inside the parameters of the map.
![Page 8: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/8.jpg)
Some Terms
• Contour line- lines that connect equal points of elevation above sea level.
• Contour interval- the amount of change in elevation between each contour line.
• Interpolation- guessing between two known points to find an unknown point.
• Scale- the ratio of the number of units between the map and the real world.
![Page 9: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/9.jpg)
Contour lines
• Can never cross• “V” points uphill at a stream or valley• “V” points downhill at a ridge.
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Contour lines cont.
• Circles that get smaller represent hills.
• Circles with little hash marks pointing inward represent a depression.
![Page 11: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/11.jpg)
Contour lines cont.
• Lines closer together mean that the land is steep.
• Lines that are farther apart mean that the land is flatter.
![Page 12: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/12.jpg)
Symbols
• Swamps/Wetlands
• Lake
• Woodland
• River
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Lakes
• The public access would be right here, because it is a unimproved road that goes right up to the lake and stops.
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Roads and Related Features
• Secondary Highway
• Light duty road
• Intersection
![Page 15: Topographic Map Activity Typo Lake Charles Hendrickson.](https://reader035.fdocuments.us/reader035/viewer/2022062300/56649da15503460f94a8e07d/html5/thumbnails/15.jpg)
Roads cont.
• Unspecified light duty road
• Unimproved road
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Railroads
• Standard guage, single track
(you can usually tell if it is a railroad because it is as strait as an arrow)
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Land surveys
• Township and Range line
• Township and Range labels
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Aviation
• Unpaved landing strip
• Airport taxi or apron
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Church
• Church• Cemetery
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References
• http://egsc.usgs.gov/isb/pubs/booklets/symbols/topomapsymbols.pdf
• http://www.google.com/imghp?hl=en&tab=wi • http://
www.geo-site.net/physical/Isanti_County_Topographic_Maps.html