HOW CONTOUR SURVEY CAN SAVE YOU TIME, STRESS, AND MONEY.

Release the clamp screw on the instrument, maintain the instrument in the best hand, and resolve it within the tripod by rotating just the decreased part While using the still left hand. Tighten the screws of your instrument firmly.Needless to say, to find out dissimilarities in elevation in between two details, the contour interval, or length in a