Snail Mummies - Gastropods or other matter, that have been wrapped in algae and fossilized. These concretions come from the Green River formation(?). Fun to collect and show off. 

Woodruff snail mummies and gastropods Ju
Woodruff snail mummies and gastropods Ju
Woodruff snail mummies and gastropods Ju
Woodruff snail mummies and gastropods Ju

Gastropods(Struthiolaria?)- Most are free from the matrix. Kids and adults enjoy collecting a handful. There are a few different types of gastropods in this area, if you look hard enough. 

Woodruff snail mummies and gastropods Ju
Woodruff Res July 14, 2018.JPG
Woodruff snail mummies and gastropods Ju
Woodruff snail mummies and gastropods Ju
Woodruff snail mummies and gastropods Ju