# PUDL > PUDL 2026.10.1.dev6 documentation 2016-2026, Catalyst Cooperative, CC-BY-4.0 ## Pages in this subsection - [pudl.extract.phmsagas](index.html.md): Retrieves data from PHMSA natural gas spreadsheets for analysis. ## Optional - [Top-level llms.txt](../../../../llms.txt): Complete documentation index.