U.S. National Archives and Records Administration
| Content | Title | Season | Place | Field | Identifier |
|---|---|---|---|---|---|
|
Aerial Dry valleys and Beacon Valley | 1968-69 | Beacon Valley | General | MCMEH-P001215 |
|
Aerial Dry valleys and Beacon Valley | 1968-69 | Beacon Valley | General | MCMEH-P001215 |