(USGS: INF-74-35.) [Illustrations are colored.] * For Sale by Superintendent of Documents. Paper, $1.15 (S/N 024-001-02707-1). • Sent to Depository Libraries. Item 621
Availability:
* For Sale by Superintendent of Documents. Paper, $1.15 (S/N 024-001-02707-1). • Sent to Depository Libraries. Item 621