Historical Watershed Boundary Maps for Alberta Forest Inventory

Historical Watershed Boundary Maps consists of scanned color and black-and-white maps delineated for Alberta's Phase 3 Forest Inventory program. Approximately two-thirds of the series is currently available in PDF and TIF formats, sorted by National Topographic System blocks within ZIP files. The Government of Alberta produced this series, which is not updated and contains a range of publication dates and scales.

Use Cases

• Study historical watershed delineation patterns based on scanned map images
• Analyze changes in forest inventory boundaries over time based on the range of publication dates
• Create reference materials for historical land use research based on the National Topographic System block organization

Strengths

• Maps are available in both color and black-and-white scanned formats
• Files are organized by the standardized National Topographic System (NTS) 1:50,000 and 1:250,000 blocks
• Approximately two-thirds of the historical series is currently available

Limitations

• The rest of the Historical Watershed Boundary Maps are missing and may be added later
• These maps are not available as geo-referenced rectified images or GIS-ready data
• The series is not updated and contains a range of publication dates and scales, which may affect consistency

Provenance

Source

Government of Alberta

Collection Method

Scanned from printed color maps delineated as part of the Phase 3 Forest Inventory program

Freshness

Last updated 2026-04-17 14:39:08.352339; freshness should be verified

Geography

Alberta, Canada