William (Bill) Armstrong's photos with the keyword: transition

transition to the dunes

transition to the dunes

William (Bill) Armstrong
30 May 2022 2 65
A transition zone in the Great Sand Hills, where the vegetation and the dunes meet. This image was taken in 2007.
a transition line

a transition line

William (Bill) Armstrong
29 May 2022 2 74
An image showing the transition area where the vegetation ends and the dunes begin , at the Great Sand Hills of Saskatchewan.
a transition line 2

a transition line 2

William (Bill) Armstrong
29 May 2022 3 69
The same image of the transition line in the Great Sand Hills, cropped as a vertical.