The economics of heavy earthmoving /

Eitemau Tebyg

• Fundamentals of earthmoving /
  gan: Bergen, R. H.
  Cyhoeddwyd: (1960)
• Earthmoving operations analysis : workshop /
  gan: Carmichael, David G.
  Cyhoeddwyd: (1985)
• Earthmoving by manual labour and machines : (report and discussion papers of the Working Party on Earthmoving Operations).
  Cyhoeddwyd: (1961)
• Earthworks /
  gan: Horner, P. C.
  Cyhoeddwyd: (1981)
• Earthwork slips and subsidences upon public works: their causes, prevention, and reparation. Especially written to assist those engaged in the construction or maintenance of railways, docks, canals, roads, waterworks, river-banks, reclamation embankments, drainage works, etc.
  gan: Newman, John
  Cyhoeddwyd: (1890)