Image Postcards Solomon - South Wagon Bridge Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Chambersburge (i.e.) - The Bridge Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Floyd, Iowa, Wagon Bridge Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Steamboat Rock - Wagon Bridge Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Hancock, N.H. - B. and M. R.R. Bridge "Over Sheldons Pond" Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards U.S. Military Railroad Bridge, Bull Run, Virginia [Orange and Alexandria R.R.] Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Saltsburg, Pa. - Old Railroad Bridge 1864 Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Susquehanna River Bridge? (photograph 12.5 cm. x 18 cm., black and white) Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Warriors, Pa. - "Ye Old" Covered Bridge Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards White Pass and Yukon R.R., Alaska Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Ausable Chasm, Railroad Bridge and Rainbow Falls Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Cisco, British Columbia - The Great Cantilever Bridge C.P. Ry Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Sukkur - Lansdowne Bridge Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Firth of Forth Bridge Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Jeffersonville - Pennsylvania Bridge over Ohio River 1911 Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Jeffersonville - Pennsylvania Bridge over Ohio River 1911 Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Ida Grove, la - R.R. Bridge over the Maple River Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Danbury, la - R.R. over the Maple River Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Little Fork - Log Jam at Upside of Metal Bridge Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Plattsmouth - C.B. and Q. R.R. bridge over Missouri River Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Champlain Canal, Mechanicville, N.Y. Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Pecos River (original location) - Frontier Railroad (Howe Deck Truss) - built in 1892 Donated to Lehigh University by David E. Guise in 2018. View Item
Image Postcards Wanakena, N.Y. - R.R. Bridge Donated to Lehigh University by David E. Guise in 2018. View Item