REMOVE

1. Cedar Keys
2. Levy
3. Florida
4. North America

WHAT

1. Trigonometric Survey (1)
2. nautical chart (1)
3. sailing directions (1)
4. sea chart (1)

WHERE

1. Cedar Key (1)
2. Gulf of Mexico (1)

WHO

1. A. Schoepf (1)
2. C. A. Knight (1)
3. E. Yeager (1)
4. F. H. Gerdes (1)
5. S. W. Bradley (1)

WHEN

1. 1854 (1)