Agricultural conservation program;
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- OCLC Number: 312929157
- Subject: Soil conservation United States.
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Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | c.1 1949; c.1 1951; c.1 1953; c.1 1954; c.1 1955; c.1 1956; c.1 1957; c.1 1958; c.1 1959; c.1 1960; c.1 1961 | permanent |