Alto Appennino Bolognese at 1:50, 000 in a series of contoured, GPS compatible maps at 1:50, 000 published by Selca together with the Emilia-Romagna branch of the Club Alpino Italiano (CAI). Each map has a list of local waymarked routes. Cartographic style of maps in this series differs according to the publication date, but all the maps are contoured (interval is either 25m or 40m), with additional relief shading on most sheets & plenty of spot heights. The overprint highlights waymarked hiking trails, showing their route numbers & indicating difficult passages. The overprint also shows which paths form part of the GEA