Name the categories into which maps have been classified?

What are the topographical maps?

Give the four-figure grid reference of the following from the given map extract:

(a) Two settlements having a Post office.

(b) Two settlements having a dispensary.

(c) The Siphon.

(d) The confluence of the main river and Dior Nadi.

(e) The area of Brackish water.

(f) The Annual Fair grounds west of Malgaon.

Give the six-figure grid reference of the following from the given map extract:

(a) Police Station.

(b) 4r near the rocky knob.

(c) Post office at Malgaon.

(d) The Surveyed tree at Posintra.

(e) Dispensary north of Posintra

(f) Hospital near Pamera