Construction labor report.

no.41-66 July 4-Dec. 1956; no.67-118 1957; no.119-171 1958; no.172-214 1959; no.224-275 1960; no.276-327 1961; no.328-379 1962; no.380-431 1963; no.432-485 1964; no.486-536 1965; no.537-588 1966; no.589-640 1967; no.641-692 1968; no.693-745 1969; no.746-797 1970; no.798-831 Jan.-Aug. 1971; no.832-856 Sept.1971-Feb.1972; no.857-883 Mar.-Aug. 1972; no.884-908 Sept. 1972-Feb. 1973; no.909-934 Mar.-Aug. 1973; no.935-959 Sept. 1973-Feb. 1974; no.960-985 Mar.-Aug. 1974; no.986-1010 Sept. 1974-Feb. 1975; no.1011-1036 Mar.-Aug. 1975; no.1037-1061 Sept. 1975-Feb. 1976; no.1062-1087 Mar.-Aug. 1976; no.1088-1112 Sept. 1976-Feb. 1977; no.1113-1139 Mar.-Aug. 1977; no.1140-1163 Sept. 1977-Feb. 1978; no.1164-1190 Mar.-Aug. 1978; no.1191-1215 Sept. 1978-Feb. 1979; no.1216-1241 Mar.-Aug. 1979; no.1242-1266 Sept. 1979-Feb. 1980; no.1267-1292 Mar.-Aug. 1980; no.1293-1317 Sept. 1980-Feb. 1981; no.1318-1342 Mar.-Aug. 1981; no.1343-1367 Sept. 1981-Feb. 1982; no.1368-1392 Mar.-Aug. 1982; no.1393-1417 Sept. 1982-Feb. 1983; no.1418-1443 Mar.-Aug. 1983; no.1444-1468 Sept. 1983-Feb. 1984; no.1469-1493 Mar.-Aug. 1984; no.1494-1518 Sept. 1984-Feb. 1985; no.1519-1543 Mar.-Aug. 1985; no.1544-1568 Sept. 1985-Feb. 1986; no.1569-1593 Mar.-Aug. 1986; no.1594-1618 Sept. 1986-Feb. 1987; no.1619-1643 Mar.-Aug. 1987; no.1644-1668 Sept. 1987-Feb. 1988; no.1669-1694 Mar.-Aug. 1988; no.1695-1718 Sept.1988-Feb.1989; no.1719-1744 Mar.-Aug.1989; no.1745-1769 Sept. 1989-Feb. 1990; no.1770-1794 Mar.-Aug.1990; no.1795-1819 Sept.1990-Feb.1991; no.1820-1844 Mar.-Aug. 1991; no.1845-1869 Sept.1991-Feb.1992; no.1870-1894 Mar.-Aug. 1992; no.1895-1919 Sept. 1992-Feb. 1993; no.1920-1944 Mar.-Aug. 1993; no.1945-1969 Sept.1993-Feb.1994; no.1970-1995 Mar.-Aug.1994; no.1996-2019 Sept.1994-March 1995; no.2020-2045 Mar.-Aug. 1995; no.2046-2070 Sept 1995-Feb 1996; no.2071-2094 Mar.-Aug. 1996; no.2095-2119 Sept.1996/Feb.1997; no.2120-2143 Mar-Aug;1997; no.2144-2168 Sept 1997-Feb 1998; no.2169-2217 Mar.1998-Feb.1999; no.2218-2242 Mar.-Aug. 1999; no.2243-2266 Sept 1999-Feb. 200