Prairies

Figure 29. Eroded sandstone and shale (clastic sedimentary rock), Horseshoe Canyon, Alberta (S.E.B. Irwin).

Figure 29. Eroded sandstone and shale (clastic sedimentary rock), Horseshoe Canyon, Alberta (S.E.B. Irwin).

Figure 30. Active sand dune (modern sediment), Great Sand Hills, southwestern Saskatchewan (S.A. Wolfe).

Figure 30. Active sand dune (modern sediment), Great Sand Hills, southwestern Saskatchewan (S.A. Wolfe).

Figure 31. Grain growing on rich soil formed on silt-clay glacial lake sediments, Davidson, Saskatchewan (Agriculture and Agri-Food Canada).

Figure 31. Grain growing on rich soil formed on silt-clay glacial lake sediments, Davidson, Saskatchewan (Agriculture and Agri-Food Canada).