id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
geusb-4771	Nielsen, Lars Henrik; Mathiesen, Anders; Bidstrup, Torben	Geothermal energy in Denmark	2004	4	.pdf	application/pdf	2647	141	48	However, combining the distribution of the above-described forma- tions with an estimate of where sand thickness of the forma- tions exceeds 25 m at depths of 1000–2500 m provides a useful indication of regional geothermal potential. Background Utilisation of geothermal energy is a well-established techno- logy with more than one hundred plants currently operating in Europe.	cache/geusb-4771.pdf	txt/geusb-4771.txt