Assertion: rectangular weir | /r/HasProperty | referred by investigater
Facets:
value: in the 1930
type: TEMPORAL
Source sentences:
text: The Soil Conservation Service, now the Natural Resources Conservation Service, (Brakensiek et al., 1979) (U.S. Department of Agriculture, 1962) developed a triangular short-crested weir (referred to by some investigaters as a triangular broad-crested weir) in the 1930's.