Lazarus Archive · LZ-01141

Lake ice records, Three Rivers, 1991–1997

Three Rivers Lakes Survey, 1991–1997. Research data for NeXTSTEP.

Description

Freeze and thaw dates for 49 lakes, recorded by volunteers and later entered by hand.

Provenance

Rescued from a skip outside a former office in Fernport Springs. The drive had seized. Its platters were moved to a donor drive on a clean bench and imaged there. About 85 percent of the data could be read; the gaps are mapped.

Preservation

Fixity (SHA-256)
fb26427b4de705f6a8b979dbc8379aa21fead3addaf2375a131175bb582be9b0
Last verified
Sep 28, 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: Three Rivers Lakes Survey, Lake ice records, Three Rivers, 1991–1997 (1991–1997). Lazarus Archive, LZ-01141.

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