On the contour map in Figure A6, the contour interval is 20 m. The horizontal distance AB = BC = 200 m. Report the eleva
Posted: Sun May 08, 2022 8:32 pm
On the contour map in Figure A6, the contour interval is 20 m. The horizontal distance AB = BC = 200 m. Report the elevations (metres above mean sea level) of points A, B and C and calculate the average ground gradient between A and B, and between B and C. Legend sea contour hachure marks B stream A Figure A6