Examine the Ordnance Survey map of Clonmel on the opposite page and answer these questions. 1. Measure the following:
(a) The straight-line distance from the spot height at Long Hill to the triangulation pillar at Lachtnafrankee.
(b) The straight-line distance from the parking site at S 18 19 to the parking site at S 24 19.
(c) The distance covered by the N24 from where it enters the map at S 160 239 to where it leaves the map at S 280 237.
(d) The distance covered by the railway line from where it enters the map at S 160 231 to where it leaves the map at S 230 250.
(e) The distance of the Kelly Legacy cycle route from where it enters the map at S 160 189 to where it leaves the map at S 280 228.
2. Find the area of the following: (a) The total map extract (b) The land north of the River Suir (c) The land south of the River Suir (d) The land under coniferous plantation on the map.
3. What type of slope is at each of the following points? (a) S 26 19 (b) S 23 19
4. Draw a cross-section of the map extract. Draw your cross-section from Kilmacomma Hill S 179 203 to the spot height at S 197 204.
5. Can you suggest a suitable location for a factory in the area shown on the map? Give two reasons for your answer.
/ I know how to measure distance and area on OS maps. / I can identify various types of slope and draw a cross-section of an OS map.
/ I can locate a suitable site for a residential area, shopping centre and factory on an OS map.
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Geographical Skills for Second Years: Ordnance Survey and aerial photograph skills
