Thank you for your reply to Claude, John Garrett! I, too, will obtain a copy of that book..In the meantime, while looking for a supplier of it, I found this article from the "Smithsonian Magazine" which points out the 10 most important maps from that book from their perspective. Claude, hope you see this.. http://www.smithsonianmag.com/history-archaeology/George-Washington-and-His-Maps.html Shirley Cox Schroeder On Mon, Aug 27, 2012 at 8:27 AM, <[log in to unmask]> wrote: > >I am working on a theory that my ancestral family may have "sailed" up > the Potomac and gone overland to the Monongahela River and then down the > Ohio. This would have been about 1784-1792. > > > >Can someone tell me (during that time period): > >1. how far up the Potomac they could have gotten before having to go > overland? > >2. how far up the Monongahela they could have put in to the water? > >3. where I might get further information on this? > > > >They owned next to nothing so a boat could have been small. > > > -Great Falls in the Potomac would have been a serious obstacle so they > would have > had to launch above that and the rocks at Harper's Ferry are another > blockage point. > It would have had to be some sort of flat bottomed boat to carry their > goods and > small enough to be portaged around rough sections of the river. The > Chesapeake and > Ohio Canal didn't open till 1831 so they couldn't have used that means. > > You should look at 'George Washington's America: A Biography Through His > Maps' by > Barnet Scheter, published Nov. 2010 by Walker and Co. for an overview of > the > transportation net in the 1750s-60s to get an idea of the terrain, rivers, > settlements, > etc. in the areas you are interested in. > > > John Garrett > > To subscribe, change options, or unsubscribe, please see the instructions > at > http://listlva.lib.va.us/archives/va-roots.html > To subscribe, change options, or unsubscribe, please see the instructions at http://listlva.lib.va.us/archives/va-roots.html