Statistics for occurrence #1 of “Chocorua” in chapter 14 of Elias Nason, McClellan's Own Story: the war for the union, the soldiers who fought it, the civilians who directed it, and his relations to them.:

...r gunboat of four guns; Currituck--merchant steamer like the Potomac gunboats, I suppose; Daylight--merchant steamer like the Potomac gunboats, I suppose; and two regular gunboats — the Chocorua , not yet arrived, and the Penobscot, here — these two carrying each two eleven-inch guns. He says he can't furnish vessels to attack Yorktown simultaneously, but he thinks what you propose ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chocorua (New Hampshire, United States) 19 2 1 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.