A letter to a friend : giving a concise, but just, account, according to the advices hitherto received, of the Ohio-defeat; and pointing out also the many good ends, this inglorious event is naturally adapted to promote: or, shewing wherein it is fitted to advance the interest of all the American British colonies. To which is added, some general account of the New-England forces, with what they have already done, counter-ballancing the the above loss.