UNIVERSITY OF MADRAS
B.Sc. DEGREE COURSE IN GEOGRAPHY
SEMESTER SYSTEM WITH CREDITS
(Effective from the Academic Year 2003-2004)

Semester VI - Practical IV Map Interpretation and Surveying

Duration: 3 hrs
Maximum Marks: 100
Credits: 4

Practical IV - Map Interpretation and Surveying

Unit I: Signs and symbols used in topographical maps - topographical maps and their referencing by quarterinch, half inch and one inch maps of survey of India: cartographic description of Survey of India, ordinance survey and United States Geological Maps;

Unit II: Interpretation of 1:50.000 topographical maps of survey of India (maps highlighting of typical landforms including drainage and coastal areas and cultural features should be done) a minimum of 6 exercise

Unit III

Simple methods of surveying; surveying with chain - open and closed traverse - Prismatic compass - Recalculation of bearing - Bowditch method of correction of closing error.

Unit IV

Plane table survey; Open and closed traverses - Resection by two point and three point method - Abney level - Indian clinometer - height determination by accessible and inaccessible.

Unit V

Aerial Photo interpretation

Reference