Statistics for occurrence #1 of “Maine” in entry fortifications of Harper's Encyclopedia of United States History:

...t constantly patrolling at sea for many weeks, while a special fleet of smaller vessels aided them in keeping watch nearer shore for the two Spanish fleets that were expected to menace the coast from Maine to Florida. Similar precautions were taken also at San Francisco.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Maine (Maine, United States) 3,878 584 0 0 0 user votes
Maine (France) 4 0 0 0 0 user votes
Maine (France) 2 0 0 0 0 user votes
Maine (New York, United States) 2 0 0 0 0 user votes
Maine (Iowa, United States) 0 0 0 0 0 user votes
Maine (Irish Republic) 0 0 0 0 0 user votes
† Maine (Maine, United States) 0 0 0 0 0 user votes
Maine (Minnesota, United States) 0 0 0 0 0 user votes
Maine (North Carolina, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.