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1. Practical considerations in longwall face and gate road support selection and utilization / by Thomas M. Barczak, David E. Schwemmer, Carol L. Tasillo.

by Barczak, Thomas M | Schwemmer, David E | Tasillo, Carol L | United States. Bureau of Mines.

Material type: book Book; Format: print Publisher: Washington, D.C. (2401 E St., N.W., Washington 20241) : U.S. Dept. of the Interior, Bureau of Mines, 1989Availability: No items available

2. Critical-load studies of a shield support / by Thomas M. Barczak, David E. Schwemmer

by Barczak, Thomas M | Schwemmer, David E.

Material type: book Book; Format: print Publisher: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, [1987]Availability: No items available

3. Rigid-body and elastic solutions to shield mechanics / by Thomas M. Barczak

by Barczak, Thomas M.

Material type: book Book; Format: print Publisher: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, [1987]Availability: No items available

4. Stiffness characteristics of longwall shields / by Thomas M. Barczak, David E. Schwemmer

by Barczak, Thomas M | Schwemmer, David E.

Material type: book Book; Format: print Publisher: [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1988Availability: No items available

5. Effect of load rate on wood crib behavior / by Thomas M. Barczak, David E. Schwemmer

by Barczak, Thomas M | Schwemmer, David E.

Material type: book Book; Format: print Publisher: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988Availability: No items available

6. Factors affecting strength and stability of wood cribbing : height, configuration, and horizontal displacement / by Thomas M. Barczak, Carol L. Tasillo

by Barczak, Thomas M | Tasillo, Carol L.

Material type: book Book; Format: print Publisher: Pgh. [i.e. Pittsburgh] Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988Availability: No items available

7. Horizontal and vertical load transferring mechanisms in longwall roof supports / by Thomas M. Barczak, David E. Schwemmer

by Barczak, Thomas M | Schwemmer, David E.

Material type: book Book; Format: print Publisher: Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988Availability: No items available

8. Advanced guidelines for performance testing of two-legged longwall shields / by Thomas M. Barczak

by Barczak, Thomas M.

Material type: book Book; Format: print Publisher: [Avondale, Md.] : U.S. Dept. of the Interior, Bureau of Mines, 1989Availability: No items available