The latest version of the Carnegie Museum of Natural History Pennsylvania Unconventional Natural Gas Wells data set is now available. The update includes all well records through the end of 2016. As with previous versions of the data set, you can now Download the data without registering. For information about updates, see the Version Information page. For more information about the dataset, please see the Metadata and User License Agreement. Please also check out our webmap, in which we soon plan to add a time slider to view well history through 2000 in six-month intervals.