Subjects: DROUGHTS; TREE development; PLANT-water relationshipsPRAIRIE Provinces; CANADA
Record details
Subjects: GLACIERS; SEA level; WATER levelsPEYTO Glacier (Alta.); PACIFIC Ocean; CANADA
Subjects: GLACIERSPEYTO Glacier (Alta.); ROCKY Mountains; BRITISH Columbia
Subjects: FOREST ecology; DOUGLAS fir; PONDEROSA pineCANADA