What is the predominant rock of the Cushing Formation and how did it form?

jessica_cardosi

jessica_cardosi

lreidjowett

mmiller

majid.cortez

aarammos

jade.schlich

alexander.crosbie

mcronolly

vmorgan

matt.dupuis

sam.shipley

emccabe

hamore

jbottigliero

michael.cardoza

hannah.walker

ckolodziej

petros.ford