Assertion: opal's quantity | /r/HasProperty | produced
Facets:
value: during the early 1900s
type: TEMPORAL
value: from these counties
type: LOCATION
value: during early 1940s
type: TEMPORAL
value: during the late 1930s
type: TEMPORAL
Source sentences:
text: Small quantities of celestite were produced from these counties during the late 1930s and early 1940s.
text: The tin mineral cassiterite is present in the Franklin Mountains north of El Paso, where small quantities of tin ore were produced during the early 1900s.