April 15, 2015, is the last day to file your 2011 tax return to claim a refund; if you had an extension, your deadline is October 15, 2015.
A slide is a piece of glass on which you put something that you want to examine through a microscope. ...a drop of blood on a slide. A slide is a piece of playground equipment that has a steep slope for children to go down for fun. ...two young children playing on a slide. COBUILD Advanced English Dictionary.
A rock slides is the rapid sliding of a mass of bedrock along an inclined surface of weakness, such as a bedding plane, a major fracture int eh rock or a foliation plane. A rock avalanche is a very rapidly moving turbulent mass of broken up bedrock. Flowage on a grand scale.