R-B
TF United States. Army. Corps of...
mae Design for an improved... 1868
.U55 (card
1868 gene number: ocm12208150.
£oLl. 1..Tunnels. I.Foster, John Gray, 1823-1874. I1I.T.
RG89-610342 & AACR2 30-6130
TF232.U551868fol. 19509
 
2))