TY  - RPRT
TI  - Bed-material-sampler support
AU  - W.L. Haushild
AU  - B.R. Ringen
PY  - 1957
DO  - 10.3133/ofr5752
UR  - https://pubs.usgs.gov/publication/ofr5752
ID  - ofr5752
ER  -