Walker, Thomas Andrew, <br/><br/>
The Severn tunnel  its construction and difficulties, 1872-1887 / 
by Thomas A. Walker. 
 - 2nd ed. 
 - London :  R. Bentley & Son,  1890 
 - 1 online resource (xxi, 188 p.) :  ill., ports., maps, plans. 
 - The making of the modern world. Part 2 (1851-1914) .
<br/><br/> Reproduction from the The Goldsmiths' Library of Economic Literature, Senate House Library, University of London. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE<br/>Railroad tunnels--Severn River (Wales and England)
<br/><br/><label>Dewey Class. No.: </label>623.68  / WAL