1. India _ West Coast Maps Stanford University Public content Walker, John, 1786-1873 and Great Britain, Admiralty. Surveyed by Lieutenant Alfred D. Taylor, I.N. Assisted by Lieutenant R.W. Whish, W.H. Barker, Mate I.N. A.W. Stiffe & A. Macaulay, Midn. I.N. 1851_... John Walker.