Topographic Map Lab Submission FORM
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School
Community College of Baltimore County *
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Course
101
Subject
Geography
Date
Dec 6, 2023
Type
docx
Pages
4
Uploaded by alyssazellinger
Name: Alyssa Zellinger
Working with Topographic Maps Basic Exercises
In general, what color(s) are used to show the following features:
Roads and Highways: red and purple
Buildings: purple
Urban Areas: red
Wooded Areas, Vegetation: green Water Features: blue
Topographic Map Scales Fractional (Map) Scale
Verbal Scale
1: 62,500
1 inch (on the map) equals 0.99
miles on Earth
1:250,000
1 inch (on the map) equals
3.95
miles on the Earth
Map Exercises
(Use Baltimore West or Baltimore East maps)
1.
What is the latitude line of the Northern edge of the map to the nearest ½ minute? Southern edge? (MUST HAVE DEGREES, MINUTES, AND DIRECTION!)
39° 23’ N
39° 15’ S
2.
What is the longitude line of the Eastern edge of the map, to the nearest ½ minute? Western Edge? (MUST HAVE DEGREES, MINUTES, AND DIRECTION!)
76° 38’ E
76° 45’ W
3.
How many minutes of latitude does the map cover? Longitude?
Longitude: 8’
Latitude: 7’
4.
This map is a 7.5
minute series topographic map because it covers 7
minute of latitude and 8
minutes of longitude.
Locating Unknown Places Using Latitude and Longitude
Place
Latitude Longitude St. Mary’s Orphanage 39
° 20’ 43”
76
° 40’ 4”
Catonsville HS
39
° 15’ 43”
76
° 43’ 3”
Radio Towers
39
° 15’ 43”
76
° 38’ 4”
Practice Exercises Using Topographic Maps
1.
What is the contour interval of the map?
20 meters
2.
Where on the map are there steep slopes? Gentle slopes? How do you know the difference? Please explain using complete sentences and CLEARLY label
an example of each on the map. Take a picture of your map with the areas labeled on your map, and copy and paste it into your write up. Steep slopes have contour lines that are closer together and gentle slopes have contour line further apart.
3.
Watch what happens when contour lines cross a stream. The peak at the stream crossing points upslope or downslope?
upslope
4.
What is the elevation of each of following (
Don’t forget your units!)
Cady Hill: 1122 m
Taber Hill: 1220 m
Stowe: 800 m
Blessed Sacrament Church: 740 m
5.
What is the elevation of Riverbank Cemetery
?
740 meters
MAP EXERCISES
Using the topographic map supplied by your instructor to answer the following questions.
1.
What is the contour interval of the map?
20 meters
2.
What are the highest and lowest elevations on the map?
Highest: 520 meters
Lowest
3 meters
3.
Using the answers you determined in # 2, what is the TOTAL RELIEF of the map?
518 meters
Constructing a Topographic Profile
Copy and paste a picture of your profile below. Summary Questions:
Answer each of the following questions, using complete sentences and your own words.
3.
Look at the image of the Stowe topographic map (Figure 7). If one were to walk from Lower Village to Taber Hill, would he/she be walking uphill or downhill? uphill
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4.
If N is the top of the map, what compass direction is Little River flowing? (Do not say downhill!) How did you figure that out? Please explain.
North East, when the river crosses contour lines it makes them upslope, following
that pattern we can see that the river males the lines do this in a north east direction.