TY - MAP AU - AU - Ryall, F.W. TI - Kathiawar Parts of Hallar, Kattywar & Gohelwar. Season 1871-72. Great Trigonometrical Survey of India U1 - 912.5446 PY - 1873/// CY - Dehradun PB - Photozincographed at the G.T.S.Office KW - Topographic Map N2 - (Sheet No. 25 of Kattywar) ORTHOGRAPHY is in accordance with the Hunterian system. CONVENTIONAL SIGNS. Trigonometrical Stations & Points respectively Δ & ο or ό. Taluka Boundaries, Metalled roads, Country roads, Foot paths, Cultivation, blank. Edge of Cultivation, Grass preserve, Waste, Pahlias or "In Memoriam " stones †. Numerals without an affix indicate Trigonometrical heights in feet above mean sea level ; thus 365. Numerals with the affix H indicate the number of houses in the town or village whose name they are printed under, thus 472 H; with affix r they indicate the relative heights in feet of banks to beds of water courses, thus 12r.; The Latitudes are referrible to Kalianpur Observatory viz. 24° 7' 11". Longitudes to Madras Obsrvatory Old Value viz. 80° 17' 21". Heights to Dangarwari H.S., 97.97 Ft. deduced from Diu Tidal Observations. The most recent value of the Longitude of Madras Observatory is 80° 14' 20", vide Nautical Almanac for 1868; consequently all Longitudes in this map are liable to be diminished by 3' 1'' .; Index to Numbers of Adjoining Sheets. ER -