Adult Passage (Ladder) Counts
Bonneville starts 1938
Important Notes
- There were no adult ladder counts conducted at Little Goose Dam between 1982 and 1990.
- Data from 1997 to present was obtained from the Army Corp of Engineer's report 91; from 1977 to 1996's from CRITFC (except counts shown in green which are from USACE) and from 1976 and earlier from Army Corp of Engineer's Annual Fish Passage Reports and ODFW/WDFW's Status Report.
- Bonneville Data from 1977-present starts on March 15th. Beginning in 2001, the USACE started to report Bonneville video counts for the period of 1/1 - 3/14. These counts appear on-line in their monthly summary report, but not in their running sums report which is what we used to import data. To maintain consistency from year to year, FPC keeps these adult data in ancillary databases which can be found here 2000, 2001, 2002. Starting in 2002 this data was added to the all counts database and this data can be viewed in one of the all counts reports available from the Query Adult Database link.
- The wild steelhead count is a subset of the steelhead count.
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Page last updated on: January 2, 2008
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