1. IOR/F/4/1557/63623 Reference (shelfmark): IOR/F/4/1557/63623 Title: Scope & Content: Proposal of Madhab Datt to alter the course of the Hooghly by widening the channel from Chakdaha to Gupdepara, the work to be undertaken at his own expense. Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1834-Mar 1836 Extent: 1 file