id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
geusb-4748	Laier, Troels	Results of monitoring groundwater above the natural gas underground storage at Stenlille, Denmark	2012	4	.pdf	application/pdf	2194	102	59	Natural gas storage Storage of natural gas from the Danish part of the North Sea began in July 1989. Groundwater methane concentration in water from the Stenlille waterworks and from private water wells remained at the low levels measured prior to the storage of natural gas (Fig. 6).	cache/geusb-4748.pdf	txt/geusb-4748.txt