. . . . . . . . . . . . . "37150"^^ . . . . . . . . . . . . "The following is not a complete list of natural gas and petroleum product accidents before 1900, which run into the thousands. The oil and gas industry was as yet unregulated, so leaks and explosions were not tracked in an organized fashion except by city fire departments. Many natural gas accidents were not recorded unless they occurred in population centers with newspapers to report them."@en . . . . . . . . "List of pipeline accidents in the United States before 1900"@en . . . . . . "38001805"^^ . . . . . . . "1120309646"^^ . . . . "The following is not a complete list of natural gas and petroleum product accidents before 1900, which run into the thousands. The oil and gas industry was as yet unregulated, so leaks and explosions were not tracked in an organized fashion except by city fire departments. Many natural gas accidents were not recorded unless they occurred in population centers with newspapers to report them. In the twentieth century, the Pipeline and Hazardous Materials Safety Administration (PHMSA), a U.S. Department of Transportation agency, would be established to develop and enforce regulations for the safe and environmentally sound operation of the United States' pipelines, and to collect data on pipeline leaks, accidents, and explosions."@en . . . . . . . . . .