REMOVE

1. plat map
2. railroad lines
3. Florida
4. United States

WHAT

1. Florida (1)
2. forts (1)

WHERE

1. North America (1)
2. Plan of the Florida Keys (1)

WHO

1. J. H. Colton (1)
2. J. H. Colton & Company (1)

WHEN

1. 1855 (1)