Sentence:  A march of about forty miles from Sohar up wadys, with intermittent water in their beds, brought his party to the frontier of the Batina, and by a low pass (i860 feet) it crossed the dividing ridge into the <WSD>ultramontane</WSD> province, Dahira. 
Meaning of the word marked with <WSD> tags:  From the other side of a mountain range, particularly the Alps.