SOIL SURVEY

-119-OT - Otterhead Soi Iscape GroupPhysiographic Setting (Figure 18, page 52 )Figure 81 . Sketch showing the landscape relationships between Otterhead andassociated soilscape groups .Landform and Parent Material sThe Otterhead soilscape group generally occurs on alluvial terraces abov ethe present floodplain . The parent materials are generally calcareous, and usuall yhave a variable thickness of medium textured materials overlying coarse texture dmaterial .EnvironmentThe Otterhead soilscape group occurs on well drained sites in the montan evegetative zone, but occasionally is mapped in the lower part of the subalpin evegetative zone . It is seldom found above 1550 m a .s .l .