Yokel, F. Y.; Tucker, R. L.; Reese, L. C.
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Soil Classification for Construction Practice in Shallow Trenching. Building Science Series (Final).
National Bureau of Standards, Washington, DC; Texas Univ., Austin
Department of Labor, Washington, DC; Department of Health, Education, and Welfare,,
NBS BSS 121,
March 1980,
Tucker, R. L.; Reese, L. C.; Nicholas, M. H.
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Trench Pressure Measurements with Hydraulic Shores. Final Report.
Texas University at Austin
National Bureau of Standards, Washington, DC; Department of Health, Education, and Welfare, Washington, DC; Department of Labor, Washington, DC,
NBS GCR 80-202,
May 1980,
Yokel, F. Y.; Tucker, R. L.; Reese, L. C.
view article (9.59908)
Soil Classification for Construction Practice in Shallow Trenching.
National Bureau of Standards, Washington, DC; Texas Univ., Austin
Occupational Safety and Health Administration, Washington,,
NBSIR 79-1945,
December 1979,