1.
 |  | Title: Mine Planning and Equipment Selection 1995: Proceedings of the Fourth International Symposium on Mine Planning and Equipment Selection/Calgary/Canada/31 October-3 November 1995 by Raj K. Singhal, Anil K. Mehrotra, John Hadjigeorgiou, Richard Poulin, Kostas Fytas, Jean-Luc Collins, E. M. De Souza ISBN: 9054105690 Publisher: Taylor & Francis Pub. Date: 01 October, 1995 List Price: $224.95 Amazon.com Price: $224.95 |
2.
 |  | Title: Environmental Issues and Management of Waste in Energy and Mineral Product Ion: Proceedings of the Sixth International Symposium, Calgary, Alberta, Canada, 30 May - 2 June 2000 by Raj K. Singhal, Anil K. Mehrotra ISBN: 905809085X Publisher: Taylor & Francis Pub. Date: 01 September, 2000 List Price: $140.00 Amazon.com Price: $140.00 |
3.
 |  | Title: Geotechnical Stability in Surface Mining: Proceedings of the International Symposium on Geotechnical Stability in Surface Mining, Calgary, 6-7 November 1986 by International Symposium on Geotechnical Stability in Surface Mining, Raj K. Singhal ISBN: 9061916879 Publisher: Taylor & Francis Pub. Date: 01 June, 1986 List Price: $262.00 Amazon.com Price: $262.00 |
4.
 |  | Title: Mine Planning and Equipment Selection: Proceedings of an International Symposium on Mine Planning and Equipment Selection/Calgary/3-4 November 1988 by Raj K. Singhal ISBN: 9061918197 Publisher: Taylor & Francis Pub. Date: 01 December, 1988 List Price: $288.95 Amazon.com Price: $288.95 |
5.
 |  | Title: Mine Planning and Equipment Selection by Raj K. Singhal ISBN: 9058090116 Publisher: A.A. Balkema Pub. Date: October, 1998 List Price: $122.00 Amazon.com Price: $122.00 |