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| Title |
Geologic map of the greater Portland metropolitan area and surrounding region, Oregon and Washington
|
|---|---|
| Published by |
US Geological Survey, January 2020
|
| DOI | 10.3133/sim3443 |
| Authors |
Wells, Ray, Haugerud, Ralph A., Niem, Alan R., Niem, Wendy A., Ma, Lina, Evarts, Russell C., O'Connor, Jim E., Madin, Ian P., Sherrod, David R., Beeson, Marvin H., Tolan, Terry L., Wheeler, Karen L., Hanson, William B., Sawlan, Michael G. |
Twitter Demographics
The data shown below were collected from the profiles of 6 tweeters who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 4 | 67% |
| Philippines | 1 | 17% |
| Unknown | 1 | 17% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 5 | 83% |
| Scientists | 1 | 17% |