1. Add MS 17658 C Reference (shelfmark): Add MS 17658 C Title: Scope & Content: Roll C. " Plan relating to a project for a new canal in connection with the river Quautitlan, 1784. River Guautitlan, Mexico: Plan for a canal in connection with: 1784. Collection Area: Western Manuscripts Languages: English Date Range: 1779-1784 Extent: 1 item