1. IOR/L/MIL/17/12/20 Reference (shelfmark): IOR/L/MIL/17/12/20 Title: Military report on the Indus river system. Simla: GSI, 1912. Scope & Content: Illustrations, maps; For official use only Collection Area: India Office Records and Private Papers Languages: English Date Range: 1912 Extent: iii, 135p, 18cm