captain randall-isaacs and i arrived at the citadel in late october , intending to call upon sir guy and discover his opinion of the local sympathies regarding the american insurrection , only to be told that sir guy had marched to fort saint-jean , to deal personally with an outbreak of said insurrection , this being a sea battle ( or so i suppose i must call it ) , which took place upon lake champlain , this a narrow body connecting with lake george , which perhaps you will know from your own time here .