Introduction, history. Information on the underground infrastructure in cadastre. Specificities in detecting diverse types of installation. Basic categorization of the methods for detecting underground installations. Detection of underground infrastructure by applying inductive methods. Detection of underground infrastructure by applying specific methods. Detection of pipeline leaking. Detection of underground water level. Detection of underground infrastructure by applying georadar. Estimation of the parameters of underground structures detected by a georadar. Unification of GPS and GPR data. Standard visualization methodology for measuring in a project. Forming the GIS application with information on underground installations.