It is a variant of 'Springfield Mountain'. Jimmie's version was titled 'Rattlesnake Song'. It is available on disk I of the 3-CD set Jimmie Driftwood 'Americana' Bear Family BCD 15465. Patrick Sky recorded an almost identical version under the title 'Rattlesnake Mountain' which is available on Patrick Sky 'Same' Vanguard CD 79179-2.