April 6th – Basaltic quarry April 6, 2007May 23, 2010 by Tom Position: 50°46’51.45”N,14°30’31.95”E Entry: 50°46’52.99”N,14°30’18.22”E (from road) Desc: road Prachen – Polevsko Pictures: Links http://www.luzicke-hory.cz