Topo Lab Worksheet with Questions
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Broward College *
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1010L
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Geology
Date
Feb 20, 2024
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Lab 13 – Topographic Maps
Complete the following questions in your own words using reputable online sources. Provide a link to sources used to answer these questions at the end of the document. Do not copy and paste answers directly from the websites; you receive a zero
for the entire lab.
You may use this document as your template and make space to accommodate your answers. However, make sure to format this so your answers are clearly separated from the questions. Topographic Maps
1.
In your own words, describe what a fractional scale is used in topographic maps and why you would see more detail on a map with a 1:8,000 scale than a map with a 1:24,000 scale. (5pts)
2.
Explain one way in which topographic maps differ from road maps. (5pts) 3.
Explain two ways in which it would be helpful to review a topographic map of an area where you planned to do a week-long hiking/camping trip. (5pts) 4.
What do the following three terms describe? Please provide an explanation for each: (5pts)
a)
Contour line: b)
Contour Interval:
c)
Index Contour:
5.
In terms of a coordinate system, explain what do the Equator and the Prime Meridian have in common, and how they differ. (5pts) Page 1
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GLY1010L - Physical Geology Lab- 5/2021
Lab 13 – Topographic Maps
6.
Find your location by using the coordinate system (go to www.Latlong.net
) (10pts)
a)
Name the town where you live now:
b)
Latitude:
c)
Longitude: For example, I will in Wellington, Florida and the GPS coordinates are:
26° 39' 39.816'' N
- this is the latitude.
80° 15' 13.8168'' W
- this is the longitude.
d)
Explain why your latitude is followed by either “N” or “S” – what does that mean?
e)
Explain why your longitude is followed by either “W” or “E” – what does that mean?
7.
Answer the following questions for the topo map to the right (5pts)
a) What is the contour interval on this
topographic map? __________.
b) What is the Index contour interval?
__________
c)
What is the elevation at Point B?
__________
d) What is the elevation at Point C?
__________
e) Which direction is the Shell River flowing?
__________
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GLY1010L - Physical Geology Lab- 5/2021
Mt. BC
Lab 13 – Topographic Maps
8.
Draw contour lines on the map below using a contour interval of 10 ft. Start by drawing a contour line at 20ft. Consult the video to learn how to interpolate between points of elevation and draw contour lines. (10pts)
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GLY1010L - Physical Geology Lab- 5/2021
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