alberta
arid
badlands
bentonite
boulder
canada
clay
cold
concretions
coulee
destination
environment
erosion
evening
formation
geology
great plains
gulley
hiking
horizon
ice
iron oxide
ironstone
landscape
morning
natural
nature
no people
orion
park
plains
prairie
ravine
red
red rock coulee
rock
rock coulee
round
sandstone
sediment
seven persons
shale
sky
snow
soil
southern alberta
stone
unusual
view
winter