1 results containing "Pontoon bridges--1910-1920."
Larger image available anywhere (1)
Larger image available only at the Library of Congress
The U.S. Engineers need you
 | 1 print (poster) | Carlson, George L.POS - US .C374, no. 3 (C size) [P&P] | LC-USZC4-9728 (color film copy transparency)
All ways to connect
DonateInspector General |
External Link Disclaimer |