Description
Hourly river levels from 7 gauging stations on the rivers around Birchridge, recorded by automatic loggers.
Provenance
Sent to Lazarus by post, with a note asking whether anything could be saved. The drive’s circuit board had failed and was replaced with one from a matching drive. About 65 percent of the data could be read; the gaps are mapped.
Preservation
- Fixity (SHA-256)
78a8ebd321cd493622dcdfc2041ff3aeb25d847f7915ce5d3e99616f3b0dd5e0- Last verified
- Oct 18, 2026, by Vigil
- Migrated to
- CSV with a data dictionary, with the original files kept
- Copies
- Three, on two kinds of storage, in two cities
- Original carriers
- Kept in cold storage in Vancouver
Access
Free, in the Lazarus reading room in Vancouver and in partner reading rooms. Copies may be taken away under the work’s license.
Reading-room copies are migrated to CSV with a data dictionary, with the original files kept. The recovered files are kept exactly as they were found.
Cite as: Tri-County Water Authority, Birchridge river gauge readings, 1980–1998 (1980–1998). Lazarus Archive, LZ-22022.