I was browsing the archives yesterday, I came across some posts dealing with field drainage tiles in some of the coves near the duck blind spots. I had no idea of these! Does anyone know much about them? Are they underwater, or do they drain from the bank? If underwater, is there a "scour hole" that I can find w/ my sonar? Do they drain constantly, or only after rains? Do these hold cats year around, or just when it is hot? These could be a terrific cat magnet, I will be looking for them Sat. Any help woul be appreciated. Thanks!