1908 Railway Tunnel (Continental Divide on back)
Academic Gown
Academic Hood
Air Force Jacket
Air Meter
Alleuvial Fan, Bow Lake
Alpine Flower (Epilobium palustre or Epilobium ciliatum?)
Alpine Flowers
Alpine Hat
Alpine Ibex
Alpine Skis
Alta Scene
Amplifying Horn
And Scabbard Dirk
Andiron Accessory, Fireplace
Andre and A.Y. at Sunshine
Anemone patens (Prairie Crocus)
Aneroid Barometer