Lab7 - Gabriella Montez
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School
Texas Tech University *
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Course
MISC
Subject
Geography
Date
Apr 3, 2024
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Pages
2
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Lab 7 - Map Basics and Name Topographic Maps Calculate map scales and distances, and examine the maps provided. Respond to the following questions. 1. From your reading on p. 53 about map scales, calculate map scales and distances. a. If a scale reads 1/250, one foot on the map equals how many feet in the real world? 250 ft b. If a scale reads 1/250, how many real centimeters are represented by 4 centimeters on the map? 1000 cm C. Which map shows a larger area, Map A (scale = 1:200) or Map B (scale = 1:2000)? Map B d. Why is it important to keep the scale absolutely constant on a map? To represent accurate distances and sizes on a map. e. Convert 1:300 to a fractional scale 1/300 f. A 3-inch long scale bar represents 27 inches. Convert to a ratio scale. 1:9 g. A 5-cm long scale bar represents 500 m. Convert to a fractional scale (keep track of your units!). 1/100 2. Use the U.S. Geological Survey Map Symbols_template to help you find and record the following information from the file, "Question 2.pdf". | a. What is the quadrangle name? Lubbock East Quadrangle b. What is the fractional scale of the map? 1/24000 c. To which grid system on this map does grid north, GN, refer? 10,000-foot-grid based on Texas coordinate system d. What type of map projection was used to produce this map? Polyconic e. Do the State Plane Coordinates (SPC) increase from east to west, or west to east? ... and from north to south, or south to north? West to east, North to south f. What is the elevation where the State Plane Coordinates (SPC) intersect at approximately 700,000 E and 730,000 N?¢ 3186 g. What is the symbol located at 700,000 N along the west side of University Avenue at an elevation of 3226 ft.? Well (other than water), windmill or wind generator.
3. Grand Canyon 1:250,000 Topographic Map. a. What is the latitude and longitude, in degrees and minutes, of Hell's Hole (arrow) in the Kaibab National Forest? latitude 36 20°N longitude 114 15°W b. What is the PLS location for Hell's Hole? |- T34 N and R9 W c. What is the principal meridian on this map? ~7 400,000 ft. Again a lot of zoomi
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