Topographic or Ordnance Survey Maps

Which colours are used on toposheets? What is their significance?

Why are directions on a map important?

What is the compass direction of Dantrai from Jolpur?

Answer the following questions on the Survey Sheet Number 45 D/10. Eastings 00 to 10; Northings 17 to 28. (Map G)

(a) Give four-figure grid references of the following:
(i) Dhad Talao (ii) Sheet rock in the North-east
(iii) Rock outcrop in the North (iv) Stony waste in the South-east
(v) Open scrub south of Dhad Talao

(b) Give the six-figure grid references of the following:
(i) Police Chowki in village Dantral
(ii) Temple in Bhamra village
(iii) Well with water in settlement Devka
(iv) Spot height 310 near village Jolpur
(v) Tank near Indaria settlement

(c) Give-the direction of the following:
(i) Village Dantral (0324) from Dhann (0723)
(ii) Village Bhamra (0521) from Dhann (0723)
(iii) Village Jolpur (0718) from Malawa (0519)
(iv) Village Warka (0716) from Bikanwas (0316)
(v) Village Rampura (0617) from Dhann (0723)

(d) Give the meanings of the following:
(i) 15r in blue in grid square 0224.
(ii) 300 in brown in grid square 0426.
(iii) Black line in the northernmost part of the map.
(iv) Red line in grid square 0819.
(v) Black dots in grid square 0617.

(e) Give the settlement patterns of the following:
(i) Village Dhann (ii) In grid square 0220

(f) Measure the distances of the following:
(i) Direct distance in km. from Indaria (0826) to Jolpur (0718)
(ii) Indirect distance in km. along the cart track from Dantral (0324) to Dhann (0723)

(g) Give the drainage patterns of the following:
(i) 0827 (ii) In grid square 0226

(h) Name three man-made features found in grid square 0419 and draw their symbols.

(i) Give two evidences that the region gets seasonal rainfall.

(j) Explain the nature of the river.

(k) Explain the relief of the area.

(l) What is the general slope of the land? Give reason for your answer.

(m) What is the main occupation of the people? Give reason for your answer.

(n) What is the mode of irrigation? Give reasons for your answer.

(o) What is the mode of transport? Give reasons for your answer.

Study the extract of the Survey of India Map sheet No. 45D/10 and answer the following questions:

(a) Give the six figure grid reference of:
(i) The temple in village Dhavli
(ii) ∆ 480

(b) What do the following indicate?
(i) 6r in grid square 1903
(ii) The word Brackish in grid square 1403.

(c) 
(i) In grid square 1909, several contours merge at one point. What does this represent?
(ii) State the significance of the red dotted lines in the map extract.

(d) Name the type of rainfall experienced in the region shown in the map extract. Give a reason to support your answer.

(e) How does the drainage pattern in grid square 1606 differ from the drainage pattern in grid square 1708?

(f) 
(i) What is the pattern of settlement in grid square 1904?
(ii) Name the settlement that has a post office.

(g) Name two landforms represented by the pattern of contours in grid square 1608.

(h) Calculate the ground distance in kilometres along the metalled road between the causeway in 1502 and the distance stone marked ’14’ in grid square 1203.

(i) State two reasons for the absence of human habitation in the north eastern region of the map extract.

(j) 
(i) Mention the difference in height between the highest spot height in the map extract and the contour height in grid square 1006.
(ii) What is the compass direction of Patlawa ka Goliya (590.) from Kacholi Dunga (443.)?

Give the four figure grid reference of the settlement of Hamirpura.

Give a summary of dimension and scale of topographical maps.

Name the state that produces the largest amount of limestone.