Low angle view of a pump jack with a sun burst in the blue sky and large puffy clouds; Alberta, Canada

Dramatic storm clouds with blue sky in openings; Calgary, Alberta, Canada

Low angle view of a pump jack with a sun burst in the blue sky and large puffy clouds; Alberta, Canada

Low angle looking up at a flowering Mayday tree with blue sky and clouds; Calgary, Alberta, Canada

Silhouette of two pump jacks at sunrise with orange glow in the sky and clouds; Acme, Alberta, Canada

Dramatic colourful clouds at sunset with interesting formations and some blue sky; Calgary, Alberta, Canada

Silhouette of cross on church roof peak with fluffy clouds and blue sky; Calgary, Alberta, Canada

Male hiker helping female hiker up a rocky slope with blue sky and clouds; Waterton, Alberta, Canada

Dramatic dark storm clouds; Calgary, Alberta, Canada

Silhouette of mountain range with low cloud in valley along mountain lake with blue sky; Kananaskis Country, Alberta, Canada

Silhouette of dead tree against a dramatic cloud formation with blue sky; Calgary, Alberta, Canada

Pumpjack with dramatic clouds and blue sky at sunset, West of Airdrie; Alberta, Canada

A Row Of Pump Jacks In A Field With Clouds And Blue Sky; Acme, Alberta, Canada

Two pump jacks with rolling hills and snow covered mountains in the background with blue sky and clouds; Alberta, Canada

Two pump jacks on oil site with rolling hills and snow covered mountains in the background with blue sky and clouds; Alberta, Canada

Close up of pump jack and blue sky; Alberta, Canada

Pumpjacks with thunderstorm clouds and blue sky in the background; Alberta, Canada

Pumpjack with thunderstorm clouds and blue sky in the background; Alberta, Canada

Pump jack in stubble field with snow covered mountains in the background with blue sky and clouds; Alberta, Canada

Tractor tilling a hill side field with clouds and blue sky; Alberta, Canada

Snow covered mountain framed by evergreen trees with blue sky and clouds; Banff, Alberta, Canada

Snow covered mountain peak with evergreen trees with blue sky and clouds; Banff, Alberta, Canada

Mountain Meadow Framed By Mountains And Trees With Blue Sky And Clouds Kananaskis Provincial Park; Alberta Canada

Railway grain cars in front of large concrete grain elevator with blue sky and clouds; Alberta, Canada

Low Angle View Of Two Pump Jacks With Clouds And Blue Sky; Alberta, Canada