Image: Excavation of Alectrosaurus hind limb in 1923

Description: Excavating the hind limb of Alectrosaurus olseni, field No. 136, about 200 yards south of the camp at Iren Dabasu Telegraph Station in Mongolia, 1923.
Title: Excavation of Alectrosaurus hind limb in 1923
Credit: On the dinosaurian fauna of the Iren Dabasu Formation. Bulletin of the American Museum of Natural History. 67: 23–78.
Author: Gilmore, C. W.
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