Account of the Operations of the Great Trigonometrical Survey of India: The principal triangulation : the base-line figures, the Karachi longitudinal, N.W. Himalaya, and Great Indus series of the North-West quadrilateral (1873 ; issued in 1879)

India. Great Trigonometrical SurveyJames Thomas WalkerCharles Thomas HaigJames Palladio BaseviWilliam James HeavisideWilliam Maxwell CambellGeorge StrahanWilliam Hammond ColeJ. EcclesSir Sidney Gerald Burrard

出版	Printed at the Office of the Great Trigonometrical Survey, 1873
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