Topic: Index Contour
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Answers to Common Questions
What Are Index Contours?
Contour lines are used on topographical maps to portray hills, mountains, ridges and other elevation changes. According to the U.S. Geological Survey, index contours are thicker contour lines that are labeled. Read More »
Source: http://www.ehow.com/facts_5114161_index-contours.html
How Is an Index Contour Map Labeled?
Contour Maps Contour maps show the "topography" or shape of the land in two dimensions. Often called "elevation" maps, these maps are easy to read documents that can be easily carried and consulted to find the easiest way to avoid steep inc... Read More »
Source: http://www.ehow.com/how_5035571_index-contour-map-labeled.html
What is an index contour?
A thicker line that has numbers written on it showing the rising or decreasing elevation on a topographic map By Ash Every fifth contour line on a topographic map, usually thicker, used to label elevation. Read More »
Source: http://wiki.answers.com/Q/What_is_an_index_contour
More Common Questions
Answers to Other Common Questions
Index contours can be identified by every 5th contour line and also because its darker and heavier
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Source: http://wiki.answers.com/Q/How_can_index_contours_be_identified
An index contour is a contour line which is bold that is also used as a reference
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Source: http://wiki.answers.com/Q/What+is+an+index+contour+of+a+map
The numbers of contour lines indicate altitude or elevation along that line.
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Source: http://wiki.answers.com/Q/What_do_the_numbers_on_index_contour_li...
the contour interval is the difference in elevation between contour lines that are next to each other
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Source: http://wiki.answers.com/Q/What_is_the_difference_between_a_contou...
A contour line accentuated by a heavier line weight to distinguish it f...
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Source: http://www.chacha.com/question/what-is-the-defination-of-index-co...
A contour index is a heavily shaded contour line. On a topographic map that has a contour interval of 20 feet, every 5th line is darker (or thicker), this is an example of an index contour line. Its purpose is to make it easier to count the...
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Source: http://answers.yahoo.com/question/index?qid=20111027065638AA709i0
They are usually drawn darker, and are labeled. If you are dealing with topographical maps this is usually in hundreds of meters.
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Source: http://wiki.answers.com/Q/How_are_index_contour_lines_different_f...
