id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
geusb-5037	Jørgensen, Flemming; Sandersen, Peter B E	Mapping of buried tunnel valleys in Denmark: new perspectives for the interpretation of the Quaternary succession	2008	4	.pdf	application/pdf	2855	158	58	In Denmark, buried valleys have oc - ca sionally been described on the basis of borehole data and early geoelectrical meth- ods (e.g. Sorgenfrei & Berthelsen 1954; Lykke-Andersen 1973; Binzer & Stock - marr 1994). Data The spacing between and the quality of deep boreholes in Denmark are generally insufficient to precisely delineate buried valleys (Thomsen et al. 2004).	cache/geusb-5037.pdf	txt/geusb-5037.txt