Following his archaeological excavation and surveys in Mae Hong Son Province, northwest Thailand, Chester Gorman (1970) proposed a more detailed definition as follows
The most famous one is the Spirit Cave, discovered by Chester Gorman in the mid 1960s, was occupied from about 9000 till 5500 BC by Hoabinhian hunters and gatherers.
Chester | Chester A. Arthur | West Chester, Pennsylvania | Bishop of Chester | Daniel Chester French | Chester County, Pennsylvania | West Chester | West Chester Township, Butler County, Ohio | Chester Cathedral | Chester, Pennsylvania | West Chester, Ohio | Chester Zoo | Chester railway station | Chester W. Nimitz | Chester County | Unionville, Chester County, Pennsylvania | Chester-le-Street | Port Chester, New York | Hugh d'Avranches, 1st Earl of Chester | Chester, Nova Scotia | West Chester University of Pennsylvania | Ranulf de Blondeville, 6th Earl of Chester | Earl of Chester | Chester Kallman | Chester Castle | Charlie Chester | Paul Gorman | Justice of Chester | Juan O'Gorman | Chester, West Virginia |