Contributo allo studio della idrogeologia laziale; I, Alcuni dati sulla falda idrica che alimenta le sorgenti delle Acque Albule

First of a series of studies of the ground waters of Latium, Italy; deals with the hydrogeology of the Acque Albule spring area near Tivoli, Roma province. The heat and mineral content of the spring waters are attributed to juvenile vapors and gases.