Where the dinosaurs went
Well a few thousand anyway.
Large find of dinosaur bones in Alberta indicates that climate was hard on some in the past.
"Scientists in Alberta have discovered the largest dinosaur bonebed ever documented — along with evidence of massive carnage — near Hilda, 50 kilometres north of Medicine Hat.
The find covers an area of about 2.3 square kilometres and contains thousands of bones from the plant-eating dinosaur Centrosaurus apertus, according to New Perspectives On Horned Dinosaurs, a book published this month by Indiana University Press."
Read more: http://www.cbc.ca/canada/story/2010/06/17/dinosaur-graveyard.html#ixzz0rCa95rNU