Figure 1. The location of sites occupied by any bullfrog life stage (dark diamonds on maps) in 2005 (A), 2010 (B), 2012 (C) and 2013 (D) in the Yellowstone River region near Billings, MT. The Yellowstone River flows southwest to northeast.

Figure 1. The location of sites occupied by any bullfrog life stage (dark diamonds on maps) in 2005.

Details

Image Dimensions: 546 x 719

Location Taken: US