CGtoposRULES FOR CONTOURINGCONTOUR LINES--A line that connects points of equal elevation, relative to sea levelShoreline = 0 Contour linesRules1. Connect points of equal elevation only2. never cross or intersect *3. contour lines are usually parallel or subparallel to one another4. When crossing a stream river or valley contour lines "V" in an upslope direction5. Contour lines never end on a pageEither enclose or draw to edge of paperCGtopos6. Depressions are marked by Hatchured linesThe First hatchured line elevation is the same as the last regular contour line moving in an up hill direction7. Every Fifth contour line is darker8. Constructing Profilesside view SIDE VIEWVertical Scale 1"=200'Vertical ExaggerationVE = Horizontal ScaleVertical Scale1"=10,000' = 50X1"=
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