The Yorkshire Schools Exploring Society - Grand Canyon '90 Expedition
Presto D and Robinson D. 1990. The Yorkshire Schools Exploring Society - Grand Canyon '90 Expedition
Report Parts 1 & 2
- Type
- Unpublished Report
- Authors
- Presto, David; Robinson, Don
- Date of Issue
- 1990
- Units
- GRCA
- Keywords
- Grand Canyon Expedition, Yorkshire School Exploring Society