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2. Bruce Donald (1988) "Practical Aspects of Rock Anchorages for Dams " Fifth Annual Conference Proceedings Association of State Dam Safety Officials Manchester NH.
3. Bruce D.A and Wolfhope J. (2007) "Rock Anchors for Dams: Evolution and Analysis of Corrosion Protection Systems and Construction Costs " Dam Safety '07 Conference Proceedings Association of State Dam Safety Officials September 9-13 Austin TX
4. DMJM Harris/AECOM (November 2005) "North Shore Connector North Side Station and Cut & Cover Tunnel West l Station Cross Section Geometry Sta. L6041+12.50 to Sta. L6043+17.54" Drawing No. TW653 Drawing No. NSC-006 Pittsburgh PA.
5. Druss D.L. (1994) "Waterproofing a Structural Slab at Ground Anchor Locations " Proceedings of the Conference on Serviceability of Earth Retaining Structures Atlanta GA ASCE Special Publication 42 ASCE Reston VA pp. 77-92.