Sinkhole Sinkhole A sinkhole, also known as a cenote, sink, sink-hole, swallet, swallow hole, or doline (the different terms for sinkholes are often used interchangeably), is a depression or hole in the ground caused by some form of collapse of the surface layer. Most are caused by karst processes—for example, the chemical dissolution of carbonate rocks or suffosion processes. Sinkholes vary in size from both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may form gradually or suddenly, and are found worldwide. Sinkholes may capture surface drainage from running or standing water, but may
A Void A Void A Void, translated from the original French La Disparition (literally, "The Disappearance"), is a 300-page French lipogrammatic novel, written in 1969 by Georges Perec, entirely without using the letter "e" (except for the author's name), following Oulipo constraints. It was translated into English by Gilbert Adair, with the title A Void, for which he won the Scott Moncrieff Prize in 1995. Three other unpublished English translations are titled A Vanishing by Ian Monk, Vanish'd! by John Lee, and Omissions by Julian West. The book has also been translated into German (by Eugen Helmlé as Anton Voyls Fortgang, 1986),