Streamflow gains and losses in the Snake River demonstrate ground-water and surface-water relations and are used to develop ground-water budgets for the Snake River plain. Budgets indicate the storage in the eastern plain increased by 24 million acre-feet from 1880 to 1952 and, in the western plain, increased by about 3 million acre-feet from 1930 to 1972. Ground-water storage throughout the plain has declined in recent years, owing to climatic variations and changing irrigation practices.
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Streamflow gains and losses in the Snake River and ground-water budgets for the Snake River plain, Idaho and eastern Oregon