Ejemplos y referencias:

Once Upon A Mine: Chapter VII
... Buchans. Harold Guess had told Lundberg to test the method on one-and
only one-square mile of land around the Buchans River shaft. ...
www.heritage.nf.ca/environment/mine/ch7p3.html

[PDF]President, Geo-Solutions Inc. M. ASCE Project Manager, Miller ...
... draw a cable through the tunnel to permit the grout pipes to be pulled through the tunnel by a large cable-pulling device stationed on the river shaft platform ...
www.geo-solutions.com/pdfs/ TP-ICC2001%20Tunnelgrout.pdf

Features Item : Unusual Long-distance Grouting Project
... the water. Field Implementation Placing the steel "stool" in the river
shaft in preparation for the tremie seal. An unusual feature ...
www.drilleronline.com/CDA/ArticleInformation/features/ BNP__Features__Item/0,3643,87582,00.html