Accountants Office April 12^th 1799 I Certify that there is due to a Detachment of the 1^st Regiment of Artillery and Engineers stationed at Mud Island Fort under the command of Captain Ebenezer Massey, the sum of One hundred and sixty four Dollars being for the pay of Surgeon's Mate John R Lynch & pay of the non commissioned Officers & Privates of said Detachment for the month of March 1799 which sum is payable to Lieut^t Robert M Osborne who is to be held accountable for the due application thereof. Pay of the Army ... 164.- M^r Simmons Acct^t The Secretary of War.