Description Title[Liang Huai yan chang ji si sheng xing yan tu].Other Title[].Si sheng xing yan tuMap of two Huai salt fields and transportation in four provincesContributor NamesHummel, Arthur W. (Arthur William), Sr., 1884-1975.Created / Published[1736?]Subject Headings- Salt industry and trade--China--Maps--Early works to 1800- Salt--Transportation--China--Maps--Early works to 1800- China--Maps, Pictorial- China--Maps, Manuscript- ChinaNotes- Pictorial map.- Covers Jiangnan, Jiangxi, Huguang, Henan in central China,.- Shows distribution of salt industry and trade in the four provinces.