...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 5634051 | Information management system An information storage, searching and retrieval system for large (gigabytes) domains of archived textual dam. The system includes multiple query generation processes, a search process, and a presentation of search results that is sorted by category or typ... | 05/27/1997 |