jim jansen was brought into mount them,ht in to to make casts and mold original bone, and put them into mounted dinosaurs. when mounting the dinosaurs, jim jensen would bore holes through these casts. the armature itself, the metal rods that supported the animal, is hidden within the bounds. along the vertebrae column and within the legs, the armatures are hidden within the lifelike bones. when you can hide the armature and the steel supports the -- the steel supports the animal , looks more alive in the sense that you get the feeling that these are bones, but it brings life to these bones. where you are at now is the collections room. this is where all the bones of -- all the bones that have been prepared get brought into. most of these bones here that you see were collected by jim jensen. we are still preparing bones that he collected. we are still studying them. some of these things are still laying in a plaster jacket that we collected while we were out in the field. the bone is petrified. that means it is somewhat turned to rock. that does not mean it is all rock. some of these bon