Greenbury Point Shoal (Maryland)
Historical Light List Characteristics
| 1893 | F W. W111/2. | LHB Light List (Atlantic): 480 |
| 1898 | LHB Light List (Atlantic): 578 | |
| 1899 | LHB Light List (Atlantic): 593 | |
| 1905 | LHB Light List (Atlantic): 690 | |
| 1908 | LHB Light List (Atlantic): 749 | |
| 1915 | F W. W12. | USLHS Light List (Atlantic): 1051 |
| 1917 | USLHS Light List (Atlantic): 1086 | |
| 1920 | USLHS Light List (Atlantic): 1138 | |
| 1927 | USLHS Light List (Atlantic): 1235 | |
| 1931 | USLHS Light List (Atlantic): 1560 | |
| 1935 | Fl W 5s. W12. fl 0.5. | USLHS Light List (Atlantic): 1958 |
| 1943 | Fl W 5s. W10. fl 0.5. | USCG Light List (Atlantic): 2564 |
| 1945-1947 | ||
| 1950-1952 | Fl W 4s. W12. fl 0.4. | |
| 1953-1954 | USCG Light List - Vol. I-VI: 2756 | |
| 1955 | Fl R 4s. R8. fl 0.4. | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 3223 | |
| 1961 | USCG Light List - Vol. I: 3223 | |
| 1963 | ||
| 1965 | ||
| 1966 | Fl R 4s. | USCG Light List - Vol. I: 3501 |
| 1969-1970 | Fl W 4s. | |
| 1972 | ||
| 1973-1974 | Fl W 4s. W8. | |
| 1976 | ||
| 1978 | ||
| 1982 | ||
| 1987 | Fl W 4s. W5. | USCG Light List - Vol. II: 13850 |
| 1990-1992 | USCG Light List - Vol. II: 17915 | |
| 1993 | USCG Light List - Vol. II: 19725 | |
| 1994-1996 | Fl W 4s. W7. |
Historical Light List Optics and Structures
| 1893 | 4th | N/A | 39 | White hexagonal screw-pile structure; piles and roof, brown; lantern, black. Stands in 91/2 feet at mean low water. | LHB Light List (Atlantic): 480 |
| 1898 | White hexagonal screw-pile structure; piles and roof, brown; lantern, black. In 91/2 feet of water. | LHB Light List (Atlantic): 578 | |||
| 1899 | LHB Light List (Atlantic): 593 | ||||
| 1905 | LHB Light List (Atlantic): 690 | ||||
| 1908 | White, hexagonal, screw-pile structure; brown piles and roof; black lantern. In 91/2 feet of water. | LHB Light List (Atlantic): 749 | |||
| 1915 | N/A | White; hexagonal; brown piles. In 11/2 fathoms. | USLHS Light List (Atlantic): 1051 | ||
| 1917 | White, hexagonal; brown piles. In 11/2 fathoms. | USLHS Light List (Atlantic): 1086 | |||
| 1920 | USLHS Light List (Atlantic): 1138 | ||||
| 1927 | USLHS Light List (Atlantic): 1235 | ||||
| 1931 | 4 o | White hexagonal brown piles. In 9 feet. | USLHS Light List (Atlantic): 1560 | ||
| 1935 | 4 a | N/A | 40 | White skeleton tower on brown piles. In 9 feet. | USLHS Light List (Atlantic): 1958 |
| 1943 | 300 mm a | Red skeleton tower on piles. In 9 feet. | USCG Light List (Atlantic): 2564 | ||
| 1945-1947 | |||||
| 1950-1952 | 200 mm e | ||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 2756 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 3223 | ||||
| 1961 | USCG Light List - Vol. I: 3223 | ||||
| 1963 | |||||
| 1965 | |||||
| 1966 | USCG Light List - Vol. I: 3501 | ||||
| 1969-1970 | Red and white checkered diamond daymark on red skeleton tower on piles. In 13 feet. | ||||
| 1972-1974 | NR on red skeleton tower on piles. In 13 feet. | ||||
| 1976 | |||||
| 1978 | |||||
| 1982 | |||||
| 1987 | NR on red skeleton tower on piles. | USCG Light List - Vol. II: 13850 | |||
| 1990-1992 | USCG Light List - Vol. II: 17915 | ||||
| 1993 | USCG Light List - Vol. II: 19725 | ||||
| 1994-1996 | NR on red skeleton tower on multi-pile structure. |
Historical Light List Audible Fog Signals
| 1893 | Bell struck by machinery, a double blow every 10 sec. | None | LHB Light List (Atlantic): 480 |
| 1898 | LHB Light List (Atlantic): 578 | ||
| 1899 | LHB Light List (Atlantic): 593 | ||
| 1905 | Bell struck by machinery a double blow every 10 sec. | LHB Light List (Atlantic): 690 | |
| 1908 | LHB Light List (Atlantic): 749 | ||
| 1915 | Bell; 2 strokes every 10 sec. | USLHS Light List (Atlantic): 1051 | |
| 1917 | Bell; gp. 2 strokes every 10 sec. | USLHS Light List (Atlantic): 1086 | |
| 1920 | USLHS Light List (Atlantic): 1138 | ||
| 1927 | USLHS Light List (Atlantic): 1235 | ||
| 1931 | BELL; gp. 2 strokes every 15 sec. | USLHS Light List (Atlantic): 1560 | |
| 1935 | BELL; gp. 1 stroke every 20 sec. (CO2). | USLHS Light List (Atlantic): 1958 | |
| 1943 | BELL: 1 stroke every 20 sec. (CO2). | USCG Light List (Atlantic): 2564 | |
| 1945 | |||
| 1946-1947 | BELL; 1 stroke every 20 sec. (CO2). | ||
| 1950-1952 | |||
| 1953-1955 | BELL: 1 stroke ev 20s. | USCG Light List - Vol. I-VI: 2756 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 3223 | ||
| 1961 | USCG Light List - Vol. I: 3223 | ||
| 1963 | |||
| 1965 | |||
| 1966 | USCG Light List - Vol. I: 3501 | ||
| 1969-1970 | BELL: 1 stroke ev 15s. | ||
| 1972-1974 | |||
| 1976 | |||
| 1978 | |||
| 1982 | BELL: 1 stroke ev 15s. | ||
| 1987 | BELL: 1 stroke ev 15s. | USCG Light List - Vol. II: 13850 | |
| 1990-1992 | None | USCG Light List - Vol. II: 17915 | |
| 1993-1996 | USCG Light List - Vol. II: 19725 |
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1892 - 1998 (1934 modern light was built on original foundation. Deactivation date is not known, but the light was listed in 1996 but not in 2004.) |