liffs, which in itself constitutes a com- Elwood Mead, gives some valuable data on this ques- mendable ‘engineering achievement. This pathway tion. The report covers experiments in Missouri, is only from two to three feet in width, and winds Wisconsin, and New Jersey. along the face and climbs the… … from end to end. The duced good results, but the main structure of the application of both gave bridge consists of twelve the best results. The cost ellipses made of _ steel of irrigation was $6.70 per placed equidistant. The acre, and the net gain major axis of each ellipti- from irrigation was as…
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