Londoe
Yes, great ID work! Your wasp is the great golden digger wasp.
Females dig burrows almost vertically. Cells are dug radiating out from a central tunnel. Larvae are provisioned with crickets, camel crickets and katydids (long-horned grasshoppers). One paralyzed prey is placed in each cell, and one egg is laid on it. One generation per year.
The adult wasps feed on nectar.
These wasps are found in North America.
Since you live in northern OH here is more info from MI.
According to an article from U of MI, the nests of this wasp in MI are... "provisioned with 2-4 Tettigoniidae (katydids) specifically the Sword-bearing Conehead..."
Here are more pics of the wasp - http://bugguide.net/node/view/414/bgimage
Did some research on alfalfa insects in Oak Harbor about 25-30 yrs ago and living in Toledo area drove thru Graytown often. Thanks for reminding me of those bug chasing days!
Greate golden digger wasp by: Londoe
Thank you very much for posting I have done some more research and found these to be greate golden digger wasp
Ground Wasp by: Anonymous
The closest I could come to your picture was a Black and Orange Thread Waisted Wasp. (Order=Podalania).