The primary function of bibliographic citations is to assist the reader in finding the sources used in the writing of a work. To these basic citations, the annotated bibliography adds descriptive and evaluative comments (i.e., an annotation), assessing the nature and value of the cited works. The addition of commentary provides the future reader or researcher essential critical information and a foundation for further research.
French drain. A French drain or weeping tile (also blind drain, rubble drain, rock drain, drain tile, perimeter drain, land drain, French ditch, sub-surface drain, sub-soil drain or agricultural drain) is a trench filled with gravel or rock or containing a perforated pipe that redirects surface water and groundwater away from an area.
Donât worry -- you can fix this by installing a French drain. Basically, a French drain is a drainage system that allows water to filter down through several inches of gravel, into a pipe and flow away from your property. Installing a French drain involves physical labor, but is well worth your effort.hovel 2 inches of gravel into the bottom of the trench. Lay the drain pipe on top of the gravel and cover the top of the pipe with landscaping fabric. The fabric prevents dirt from filtering into the pipe and clogging it up.