The song was written about the town of Early, Iowa. Greg Brown's version is definitely worth a listen~~sound sample at Music Boulevard: http://www.musicserver.com:8080/scripts/audio.exe?/user12345/~j-454149/33651000220 00a09.ra
. . . BUT, if you can find it by Robin and Linda Williams, THAT is the version to listen to! It was on their 1979 June Appal recording, Dixie Highway Sign.
I have tried several times to send this, but it would not go (luckily I had saved it to Word) so now I can add for Joe that Iowa Waltz is on Brown's Iowa Waltz album. Sound sample at Tunes: http://www.tunes.com/tunes-cgi2/tunes/release/39564/1/4