Lower Granite Dam Geological Features

Proceed 35 miles following the directional signs to lower granite dam.

Lower granite dam geological features.

Usgs 13343600 snake river below lower granite dam wa available data for this site summary of all available data location map time series. The project provides hydroelectric generation navigation recreation and incidental irrigation. Scarborough june 30 1981 introduction the accompanying geologic maps depict the general geology of a two mile wide strip centered about the salt river starting just below roosevelt. The grand canyon tells one of the world s greatest geologic stories.

The salt river o odham pima. Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye. Annual statistics water. Reconnaissance geology along the lower salt river from roosevelt dam to granite reef dam central arizona by robert b.

From state highway 127 turn east just south of the snake river on lower deadman creek road. Follow lower granite rd to dam. The longest of the salt river s many tributaries is the 195 mile 314 km verde river. Hwy 194 sw follow signs to almota and boyer park.

Hakanyacha or hakathi is a river in gila and maricopa counties in arizona united states that is the largest tributary of the gila river. Lower granite dam this congressionally authorized project consists of lower granite dam navigation lock powerhouse a fish ladder and associated facilities. Lower granite dam is part of the columbia river basin system of dams built and. Thinking of the geologic record as a book is helpful to understand each page of earth s history.

Lower granite dam navigation lock is the last of eight locks encountered in the columbia snake inland waterway a 465 mile river highway that allows barge transport of commodities between the pacific ocean and lewiston id. Lower granite lock and dam is a concrete gravity run of the river dam in the northwest united states on the lower snake river in southeastern washington it bridges whitman and garfield counties. Its drainage basin is about 13 700 square miles 35 000 km 2 large. In 2015 more than 1 1 million tons of commercial commodities passed through the lower granite lock.

Granite is composed mainly of quartz and feldspar with minor amounts of mica amphiboles and other minerals this mineral composition usually gives granite a red pink gray or white color with dark mineral. The beginning of the story starts at the bottom of the. It forms from the slow crystallization of magma below earth s surface. The river is about 200 miles 320 km long.

The dam located at the upstream end of lake bryan is about 3 200 feet long with an. Usgs 13343595 snake river right bank bl lower granite dam wa provisional data subject to revision available data for this site summary of all available data location map time series.