Abstract: A method may include sending an aerial image to a user via a network; receiving a marked-up version of the aerial image from the user via the network that includes one or more virtual white lines added to the aerial image that delimit a dig area in which excavation is planned; and providing the marked-up version of the aerial image, via one of an electronic or tangible delivery system, to another entity.

Abstract: A method performed by a device may include receiving information regarding a particular geographic area; retrieving an aerial image of the particular geographic area; displaying the aerial image; determining an approximate geographic location of a mark denoting an underground facility; overlaying, on the displayed aerial image, information concerning the approximate geographic location of the mark denoting the underground facility; and storing the aerial image and the information concerning the approximate geographic location of the mark denoting the underground facility.