The elevations and characteristics of floods are major factors that influence land-use planning of the flood plains of any stream. As the lowlands become more intensively used, it becomes increasingly important to have a firm basis for assessing the risk of flood damage. Land-use zoning is not only a legal...
This report deals with a group of mineralized areas containing Tertiary veins of base metal and gold,· which occur at intervals throughout the Cascade Range in Oregon. Gold was discovered in this region in 1858, only a few years after its discovery in southwestern Oregon, and an output of nearly...
Gerald W. Williams Collection. This volume only includes p. 163 - 274. Drainage map included as separate file. Entire text is available at: http://name.umdl.umich.edu/AGM4555.0001.001.