Statistics for occurrence #1 of “Colonel Hartwell” in page 201 of Emilio, Luis F., History of the Fifty-Fourth Regiment of Massachusetts Volunteer Infantry , 1863-1865:

...tion of Battery B, Third New York Artillery, and a rocket battery, moved from Cole's Island to James Island, driving the enemy's pickets under Major Managault. His force started at the same time as Colonel Hartwell 's, and advanced to the lines of the previous year at the head of Grimball's Causeway. Only the gunboat McDonough was ready to co-operate, for the monitors were not on hand. Even during these ea...
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