Here's a version of the tune from The Folk Songs of North America, by Alan Lomax. the lyrics are just about what Dale posted. Lomax didn't give any worthwhile explanatory infomation about the song in this book
-Joe Offer-

MIDI file: BUFFAL~2.MID

Timebase: 192

Name: BUFFALO BOY
Text: By traditional
Copyright: (Lomax - Folk Songs of North America)
Key: E
TimeSig: 4/4 24 8
Start
0000 1 59 110 0160 0 59 000 0032 1 64 110 0094 0 64 000 0002 1 64 110 0094 0 64 000 0002 1 64 110 0160 0 64 000 0032 1 64 110 0094 0 64 000 0002 1 64 110 0094 0 64 000 0002 1 64 110 0160 0 64 000 0032 1 68 110 0336 0 68 000 0048 1 68 110 0160 0 68 000 0032 1 64 110 0160 0 64 000 0032 1 66 110 0336 0 66 000 0048 1 66 110 0160 0 66 000 0032 1 69 110 0160 0 69 000 0032 1 68 110 0336 0 68 000 0048 1 64 110 0160 0 64 000 0032 1 59 110 0160 0 59 000 0032 1 64 110 0094 0 64 000 0002 1 64 110 0094 0 64 000 0002 1 64 110 0160 0 64 000 0032 1 64 110 0094 0 64 000 0002 1 64 110 0094 0 64 000 0002 1 64 110 0160 0 64 000 0032 1 68 110 0336 0 68 000 0048 1 68 110 0160 0 68 000 0032 1 64 110 0160 0 64 000 0032 1 66 110 0160 0 66 000 0032 1 69 110 0160 0 69 000 0032 1 68 110 0094 0 68 000 0002 1 68 110 0094 0 68 000 0002 1 63 110 0160 0 63 000 0032 1 64 110 0528 0 64 000
End

This program is worth the effort of learning it.

To download the March 10 MIDItext 98 software and get instructions on how to use it click here

ABC format:

X:1
T:Buffalo Boy
M:4/4
Q:1/4=120
K:E
B,2EEE2EE|E2G4G2|E2F4F2|A2G4E2|B,2EEE2EE|
E2G4G2|E2F2A2GG|D2E11/2||

^^