Notes/Description |
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Orthography is in accordance with the orders of the Government of India, dated 3rd September 1875.
Conventional Signs. Trigonometrical Stations ▲ Intersected Points and Traverse Stations ○ Taluka and state boundaries ∻∻ Village Boundaries ╌╌╌ Fair weather roads ──── country roads ∼∼∼ Foot paths ﹏﹏, Cultivation, blank. Edge of Cultivation ∼∼∼ Waste Lands ░░ Grass pressure ░░ Salt Waste ▒▒ Pahlias or In Memoriam Stones ✝. Heights Above mean sea level determined trigonometrically represented thus 100. Relative heights in feet of banks to beds of water courses thus 15r. Population in towns and villages thus P305. The population in a hamlet, if not given separately, is included in that of the town or village to which it appertains The linear values are derived from the measured length of the Sironj base assumed as log. feet 4.5844824, through the Karachi Longitudinal Series.
The heights referrible to mean sea level at Okha Tidal Station on the Gulf of Cutch.
The latitudes from that of Kalianpur, assumed as 24° 7' 11'.2, through the Karachi Longitudinal Series.
The longitude are referrible to the old value of the Madras Observatory, 80° 17' 21 to which a correction of - 3' 1 is required to reduce to the most recent value, viz : 80° 14' 21, vide Nautical Almanac for current year Index to numbers of adjoining sheets |