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Summary
| Description |
English: Maps of the geographic locations (occurrences) of the potato disease in the northeastern US and southeastern Canada from (a) 1843, (b) 1844 and (c) 1845 drawn from text analytics of US Commissioner of Patent Reports, 1843–1845. |
| Date | |
| Source | Own work |
| Author | POTBLI |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:34, 4 February 2025 | | 968 × 1,552 (205 KB) | POTBLI | Uploaded while editing "Phytophthora infestans" on en.wikipedia.org |
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