Question

Study the extract of the Survey of India Map sheet No 45D/10 and answer the following questions:
What do you understand by:
i. The black broken line in 0807.
ii. The vertical black line close to Easting 10.

Answer 1

(i) The black broken line in grid square 0807 shows stream undefined.

(ii) The vertical black line close to Easting 10 is longitude which shows 72° 35' East longitude of the area. Longitude is the angular distance represents in degrees, minutes and seconds of a point East or West of the prime (Greenwich) Meridian.