rock excavation
21Ouvrage Janus — Part of Maginot Line, Alpine Line Southeast France …
22Ouvrage Rimplas — Part of Maginot Line, Alpine Line Southeast France …
23Ouvrage Chatelard — Part of Maginot Line, Alpine Line Southeast France …
24Ouvrage Arrondaz — Part of Maginot Line, Alpine Line Southeast France …
25Ouvrage Les Aittes — Part of Maginot Line, Alpine Line Southeast France …
26Ouvrage Cave-à-Canon — Part of Maginot Line, Alpine Line Southeast France Built 1937 Built by CORF …
27Ouvrage Col de Garde — Part of Maginot Line, Alpine Line near Saint Agnès …
28Ouvrage Roquebrune — Part of Maginot Line, Alpine Line Roquebrune …
29Ouvrage Sainte-Agnès — Part of Maginot Line, Alpine Line Sainte Agnès, Alpes Maritimes …
30Manasquan Inlet — The Manasquan Inlet. The Manasquan Inlet is an inlet that connects the Atlantic Ocean with the Manasquan River, dividing the counties of Ocean County and Monmouth County in the state of New Jersey. Passage to Bay Head Harbor and the Barnegat Bay… …