2 examples of oker in sentences

"Oker is a fossil earth combined with the oxid of some metal."Ib., p. 96.

BRUNSWICK (101), the capital, a busy commercial town, once a member of the Hanseatic League, and fell into comparative decay after the decay of the League, on the Oker, 140 m. SW. of Berlin; an irregularly built city, it has a cathedral, and manufactures textiles, leather, and sewing-machines.

2 examples of  oker  in sentences