
Coal from hills near Tseng-ko-ken, Pechilli province, China
- Made:
- before 1862

Coal from the hills near Tseng-ko-ken, in the province of Pechilli, China and brought from Jehol in Tartary, analysed by C. Tookey, presented by the Admiralty, 1862
Coal from the hills near Tseng-ko-ken, in the province of Pechilli, China and brought from Jehol in Tartary, analysed by C. Tookey, presented by the Admiralty, 1862