Photo by DLBarker, 2013

Designation: 13in Heavy Mortar M1861
Model: 13in Seacoast Mortar M1861
Identification No: Fort Pitt 0001: US


Designed by: US Army Ordnance Department
Built at: Fort Pitt Foundry
Pittsburgh, Pennsylvania, USA
Year : 1861
Item Category: Artillery, Mortar

Memorial Information
Owner: GSA - Federal Surplus Property
Item: 3 cannon and 1 seacoast mortar
Year: 1895
Delivery Doc: 53rd Congress, Session III, Chap 115, Act of Feb 21, 1895
Arsenal: Portsmouth Navy Yard
On loan to: Iowa Historical Museum
Document: field notes DLBarker


Comments: Served on Matthew Vassar, Schooner (mortar gunboat), 1861




Current Status: Static Display
Access: Free Outdoor
Location: Iowa State Capitol
1007 East Grand Ave
Des Moines, Iowa, USA
Lat/Long41.5910750-93.6044333 Click here to see location in Google Maps

Reference Documents / websites:

The Big Guns, pg 261: C164, 01

In-House private documents:

field notes DLBarker

Click here to see our reference list

Last update to record: 2025-12-30

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