DCHP-1 Online
birch rogan 
See rogan 1923 quote.
See also: rogan
- 1896 (1898) The sap is collected in birch rogans which are made on the spot and kept there en cache during the winter.
- 1896 (1898) The sap is collected in birch rogans which are made on the spot and kept there en cache during the winter.