by Henry F. (Henry Flagg) French
Farm drainage
The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches, and Especially with Tiles
en
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Produced by Steven Giacomelli, Constanze Hofmann and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images produced by Core Historical Literature in Agriculture (CHLA), Cornell University)
Project Gutenberg
Public domain in the USA.