1 | DPLX | Davenport Cement Co. | added 1/1984; eliminated 4/1985 | | NAKINA |
2 | DPLX | Martin-Marietta Corp. | added 1/1979; 1/1980; eliminated 7/1983 | | NAKINA |
3 | DPLX | Martin-Marietta Cement, Division of Martin-Marietta Corp. | added 10/1972; 1/1975; eliminated 1/1979 | | NAKINA |
4 | DPLX | Dewey Portland Cement Co., Division of Martin-Marletta Corp. | added 1/1965; 7/1965-4/1970; eliminated 10/1972 | | NAKINA |
5 | DPLX | Dewey Portland Cement Co., Division of Martin-Marletta Corp. | added 1/65; 7/65-4/70; eliminated 10/72 | | NRHS |
6 | DPLX | Martin-Marietta Cement, Division of Martin-Marietta Corp. | added 10/72; 1/75; eliminated 1/79 | | NRHS |
7 | DPLX | Martin-Marietta Corp. | added 1/79; 1/80 | | NRHS |
8 | DPLX | Davenport Cement Co. | eliminated 4/85 | | NRHS |
9 | DPLX | DAVENPORT CEMENT CO.[MARTIN-MARIETTA CORP.; DEWEY PORTLAND CEMENT CO.] | | | PWRC |
10 | DPLX | Davenport Cement | | | RSRV |