REMOVE

1. Trigonometric Survey
2. Levy
3. Gulf of Mexico
4. 1854

WHAT

1. Cedar Keys (1)
2. nautical chart (1)
3. sailing directions (1)
4. sea chart (1)

WHERE

1. Cedar Key (1)
2. Florida (1)
3. North America (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)