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Coastal Mine Layers (CMc)
1922-1945
CMc-3 (Wassuc)
CMc-4 (Monadnock) class (CMc 4-5)
Other CMc Hull Numbers, 1920-1945
CMc-1 (Siren): reclassified PY-13 on commissioning date (15 Nov 40)
CMc-2 (Niagara): see AGP-1
CMc-6 (Keokuk): see AN-5