Columbia subject headings:
Harvard subject headings:
Beryl--Colorado--Chaffee County.
Mineralogy--Colorado--Chaffee County.
Precious stones--Collection and preservation--Colorado--Chaffee County.
Precious stones--Colorado--Chaffee County--Collection and preservation.
Precious stones--Colorado--Chaffee County.
Princeton subject headings:
Minerals--Collection and preservation--Colorado--Chaffee County.