Planning practice for the sand and gravel industry / H.L. Boorer.

Antzeko izenburuak

• Sand and gravel resources : protection, regulation, and reclamation /
  nork: Werth, Joel T.
  Argitaratua: (1980)
• Injury experience in sand and gravel mining /
• Angiocardiographic interpretation in congenital heart disease / by H.L. Abrams and H.S. Kaplan.
  nork: Abrams, Herbert L.
• Guide for determining the gradation of sand and gravel filters /
  Argitaratua: (1986)
• Practical operating procedures for progressive rehabilitation of sand and gravel sites /
  nork: Johnson, Craig
  Argitaratua: (1966)