Lang Surveying is a small land surveying company owned by Charles G. Lang and located in Bradford, Pennsylvania. The company has been in business since 1988 and Mr. Lang is the sole proprietor. The company uses both conventional and Topcon Real Time GPS field equipment to perform oil and gas well location surveys, boundary surveys, and topographic surveys as well as subdivisions. Projects are mapped using AutoCAD mapping software and plotted on Hewlett Packard printers and a Design Jet 800 color plotter. The company specializes in Oil and Gas surveying and mapping for both conventional and Marcellus Shale well development and also in boundary dispute resolution.