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Title: Topographic Maps III: Back Azimuths and Triangulation
Url: https://www1.maine.gov/dacf/mgs/education/lessons/act08.pdf
Publisher: Maine. Department of Conservation.
 Description: In this activity, students will learn the more advanced mapping skills of calculating back azimuths and triangulation. Using a local 7.5-minute series map, the teacher will select a starting point and an obstacle, have students follow an azimuth that leads them to the obstacle, let them construct a back azimuth and navigate around the obstacle while recording directions and distances. A number of viable solutions usually exist and can form the basis of a class discussion. For the triangulation portion of the exercise, the teacher will select and give grid coordinates for three points on the map and list the azimuths to be followed in the construction of a line through each point. Students will construct an azimuth-back azimuth line through each point until each end of the line hits a map margin. They will then record the coordinates and identify the object located at the intersection point of the three lines.
LC Classification: Geography. Anthropology. Recreation -- Maps
Geography. Anthropology. Recreation -- Mathematical geography. Cartography
Geography. Anthropology. Recreation -- Mathematical geography. Cartography -- Mathematical geography. Cartography -- Cartography -- Topographic drawing
Science -- Geology -- Geological maps
Technology -- Engineering (General). Civil engineering -- Engineering (General). Civil engineering (General) -- Surveying -- Topographic drawing
GEM Subject: Science -- Technology
Science -- Earth science
Science -- Instructional issues
Social studies -- Geography
Key Concept: Geology -- Topography
Geography -- Cartography
Geography -- Maps
Date Issued: 2005-10-06
Resource Type: Instructional Materials
Lesson Plans
Science Materials
Teaching Guides
Worksheets
Format: html
Audience: College/University Instructors
Higher Education
Secondary Education
Teachers
University First Cycle
University Second Cycle
Language: English
Rights: Maine Department of Conservation
Access Rights: Free access
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Source: DLESE
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