Citations

Marias

• “Kevin Member.” Kevin Member | Natural Atlas, naturalatlas.com/geologic-formations/kevin-member-2773268.

• https://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=MTKmk%3B0

• https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1376&context=usgsstaffpub

• https://pubs.usgs.gov/pp/0974/report.pdf

Telegraph

• http://www.mbmg.mtech.edu/pdf_100k/greatFallsN-text.pdf

Virgelle

• https://scholarworks.umt.edu/umcur/2014/poster_1/20/

Two Medicine

• https://scholarworks.umt.edu/cgi/viewcontent.cgi?article=8604&context=etd

• https://encyclopedia.pub/entry/28633

Bearpaw

• “The transition from the Judith River Formation to the Bearpaw Shale (Campanian), north-central Montana” by Roger Elmer Braun

• https://naturalatlas.com/geologic-formations/bearpaw-formation-2769740

Horsethief

• https://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=MTKh%3B0
• “Stratigraphy and depositional environment of the Upper Cretaceous Horsethief Formation northwest of Augusta, Montana” by Carol Jean Bibler

St. Mary’s

• https://scholarworks.umt.edu/cgi/viewcontent.cgi?article=1021&context=utpp

Willow Creek

• https://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=MTTKw%3B0

Eggs

• http://www.thefossilforum.com/index.php?/topic/92370-think-you-found-an-egg-read-this-first-dinosaur-egg-guide-basic/
• https://serc.carleton.edu/details/images/179460.html
• https://ucmp.berkeley.edu/science/eggshell/eggshell2.php
• JACKSON, FRANKIE D., and DAVID J. VARRICCHIO. “FOSSIL EGGS AND EGGSHELL FROM THE LOWERMOST TWO MEDICINE FORMATION OF WESTERN MONTANA, SEVENMILE HILL LOCALITY.” Journal of Vertebrate Paleontology, vol. 30, no. 4, 2010, pp. 1142–56. JSTOR, http://www.jstor.org/stable/40864392. Accessed 31 Mar. 2023.