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MU GEO 121 - Topographic Maps
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GEO 121 1st Edition Lecture 2Outline of Last Lecture 1. Maps Outline of Current Lecture 2. Topographic Mapsa. Parallels and Meridiansb. Contour Linesc. Iso Linesd. Important Symbols2. Chapter Highlights (in the book)Current Lecture:Topographic MapsSpecial Parallels and Meridianso90° North-Arctic Circleo90° South-Artic Circleo180° E/W International Date Lineo23° N-Tropic of Cancero23° S-Tropic of CapricornContour LinesoType of "iso" lineoConnects points of equal elevationoThe closer the lines, the more steep the elevationIso LinesoConnect points of equal valueoCan be isochronic-equal timeImportant SymbolsoM (usually with an x) denotes benchmarksThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.oPerpendicular symbol denotes spot elevation (usually used by engineers and construction workers)oΔ denotes monumentsoThe U.S Geological Survey seeks to be 90% accurate 90% of the timeChapter HighlightsPg. 36 Geographic ShapesPg. 39 Scale InformationPg. 40 Topographic Map with Contour LinesPg. 41 North Arrow InformationPg. 43 2-D Topographic MapsPg. 49 Aerial PhotographyPg. 50 Color vs. Color InfraredPg. 53 Photos of New Orleans


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