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प्रश्न
Which colours are used on toposheets? What is their significance?
उत्तर
Six colours are used in a survey map to show various features. They are as follows:
Black: All names, river banks, broken grounds, dry streams, surveyed trees, heights and their numbering, railway tracks, telephone and telegraph lines.
Yellow: All cultivated areas.
Green: All wooded/forested areas, scattered trees and scrubs.
Brown: Contour lines, their numbering, stony waste, sand features.
Blue: All water bodies, where they contain water.
Red: Grid lines and their numbering, roads, cart tracks, settlements, huts and other buildings. Note: Sometimes we find white patches here and there to show barren lands.
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संबंधित प्रश्न
What is the difference between the pattern of settlements in 0725 and the settlement of Idarla?
What is the difference between the drainage pattern of the streams in 0624 and those in 0824?
What are the following?
302 in grid square 0425
Calculate the distance in kilometres along the cart track between Chitrasani (999747) and Pirojpura (978753).
Convert the following scales into R.F.
The area is measured by grid square method?
What is Concave Slope and Convex Slope? Explain?
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.
Write short note on ‘Marginal Information’ in Topographical sheets.
If you are interpreting the cultural features from a topographical sheet, what information would you like to seek and how would you derive this information? Discuss with the help of suitable examples.
