Utility locators, namely, devices for determining the location of hidden or buried pipes, conduits, cables, or other conductors by sensing magnetic fields; utility current transmitters for use with electronic utility locators to generate current signals for coupling to hidden or buried pipes, conduits, cables, or other conductors; backpacks specially adapted for utility locator positioning systems comprised of a positional receiver, a magnetic field sonde for use with utility locators, and a signal processor; mobile utility locator base stations comprised of signal processors, local or wide area networking transceivers, and local wireless communications transceivers for sending and receiving data between utility locators and utility locator transmitters; magnetic field sondes for use with utility locators; video inspection camera systems comprised of a video camera, push cables to deploy video cameras within pipes or other cavities and to send and receive signals, and a video display; video pipe inspection cameras; video pipe inspection camera control units (CCUs); software for use with utility locators; software for use with utility locator transmitters; software for use with video pipe inspection systems; mapping software for generating mapping data and information using utility locator data; software for controlling video pipe inspection cameras; software for controlling utility locators; software for controlling utility locator transmitters; software for collecting and managing utility locator data; cameras for use with utility locators for providing mapping information; batteries for use with utility locators and utility locator transmitters