 The historical cross which confused him was a diocesan marker, which he found labeled "Curutchegorry" on an eighteenth-century map.Louis Colas (1869–1929) was so convinced that Charlemagne had planted the cross atop the summit of Orzanzurieta, the highest peak in the region, when he repaired the road to Zaragoza, then he climbed the Pyrenees in search of its remains in 1910.The remains of a cross he did report, but these were shown to be the remains of a trigonometric column used by the military.