"Artifacts," by Scott G. Ortman

Table 41. Unmodified Stone and Unmodified Minerals, Castle Rock Pueblo
Raw Material Total
Agate/chalcedony 5
Concretion 7
Conglomerate 18
Fossil 31
Gypsum/calcite/barite 57
Igneous 489
Morrison chert/siltstone 3
Morrison quartzite 1
Other mineral 10
Pebble 78
Petrified wood 4
Pigment 3
Quartz 14
Slate 1
Slate/shale 148
Unknown chert/siltstone 1
Unknown material 6
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