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| Content | Title | Season | Place | Field | Identifier |
|---|---|---|---|---|---|
|
Person doing stream transect | 1993-94 | Onyx River | General | MCMEH-P000875 |
|
Measuring streamflow | 1991-92 | Onyx River | General | MCMEH-P000563 |
|
Hanging glaciers on the right limit of the lower end of the Grand Canyon | 1957-58 | Onyx River | General | MCMEH-P002310 |