TY - RPRT TI - Corrosion and protection of steel piles in a natural seawater environment AU - Escalante, E AU - Iverson, W P AU - Gerhold, W F AU - Sanderson, B T AU - Alumbaugh, R L PY - 1977 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS MONO 158 DO - 10.6028/NBS.MONO.158 ER -