. Factory and industrial management. ited for canal construction; its adamantine virtues, indeed, areso pronounced that the necessary excavations are likely to proveunusually costly. The estimates of the Commission provide for anumber of subsidiary works, including diversions of the Rios Grandeand Las Lajas, a clam near Lock No. 5 to maintain the summit level. THE ISTHMIAN CANAL REPORTS. waste-ways, embankments, and the like, none, however, of very seriousmoment or involving difficult engineering. The crux of the Nicaragua project is, of course, the regulationof the Lake level, a subject which
. Factory and industrial management. ited for canal construction; its adamantine virtues, indeed, areso pronounced that the necessary excavations are likely to proveunusually costly. The estimates of the Commission provide for anumber of subsidiary works, including diversions of the Rios Grandeand Las Lajas, a clam near Lock No. 5 to maintain the summit level. THE ISTHMIAN CANAL REPORTS. waste-ways, embankments, and the like, none, however, of very seriousmoment or involving difficult engineering. The crux of the Nicaragua project is, of course, the regulationof the Lake level, a subject which had been almost studiously avoidedprior to the labours of the Nicaragua Canal Commission. It wouldbe unwise, in the limited space at my disposal, to attempt either adescription or criticism of the scheme formulated by this body andadopted by its successor. The plan appears feasible and to be foundedupon careful hydrographical observations, but all the data needfulto make it even theoretically perfect are admittedly not yet to Greytowii^! PROPOSED HARBOR AT GREYTOWN. The sites of the proposed Conchuda dam and auxiliary waste-wayseem to be most happily chosen, and the plans for these structures alsoappear in every respect satisfactory. Speaking generally, I do nothesitate to describe as most important and valuable that portion of thereport of November last which deals with the problem of Lake regu-lation. There is, however, one very important point in connectiontherewith which appears to demand immediate explanation, and this Twill endeavor briefly to express. For the purpose of regulating theLake or summit level, the latter is to be extended for 55 miles toLock No. 4, and to the Conchuda dam miles down stream fromthe point where the canal leaves this arm of the Lake. There are,however, notable slopes in the various reaches of the River San Juan THE ENGINEERING MAGAZINE. ? ?/^//lini
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