Industry
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Lehigh Portland Cement Company's Union Bridge, Md. plant was awarded for a perfect safety record in 1932 and reawarded for perfect safety records in 1933, 193x, 193x, 1939, 1940, 1941, 1942, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1958, 1960, 1961, 1962, 1963, 1965, 1968, 1975, 1983, and 1997.
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Union Bridge, Maryland · United States
