the situation at aughwick was somewhat different from the erection of military forts, as croghan's fort was built after his cabin and store houses, implying that they influenced the positioning of the stockade. he is reported to have done the construction with the help of his men and local labor. originally referred to as "croghan's fort", it was taken over by provincial forces and renamed "fort shirley" in january 1756. croghan was commissioned by the governor as a captain and commanded fort shirley for the first three months of 1756 until captain mercer assumed command of the garrison of 75 men. in a letter written by governor morris to general shirley, dated february 9, 1756 (and published by in the pennsylvania archives) hazard writes;