Volume 91, Issue 1 (2021)
Sample extraction from Alaska paper birch (Betula neoalaskana) growing atop a boulder. [Photo by Alexander K. Stewart]Articles
Late Cretaceous Dinosaur Tracks from the Iron Springs Formation, Iron County, Utah
Jennifer K. Crowell and Grant T. Shimer
Using GIS to Create Hazard Maps and Assess Evacuation Routes around “The Gate to Hell”; Masaya Volcano, Nicaragua
Rebecca Hedges, Stevie McDermaid, Jason Kaiser, David Maxwell, and Kathy Matthews
Characterization of Surface Geology and Hydrogeology in the Upper Ulua River Basin, Honduras
C. Renee Sparks, Issac J. Jacques, Cheryl L. Verbree, Thomas J. Timmermans, and Stuart Dykstra
Resolving a One-Year Ecesis Interval for Alaska Paper Birch: Dating a Rockfall Event, Wishbone Hill, Southcentral Alaska
Riley E. Whitney, Alexander K. Stewart, Trent D. Hubbard, Anabella S. Kowalski, and Oscar A. Wilkerson
Editors
- Editor
- Daniel R. Curtis
- Secretary
- James C. Walters