TY  - BOOK
AU  - Havighurst,Walter
TI  - Three flags at the straits: the forts of Mackinac
AV  - F572.M14 H3
U1  - 977.48 
PY  - 1966///]
CY  - Englewood Cliffs, NJ
PB  - Prentice-Hall
KW  - Fortification
KW  - Michigan
KW  - Mackinac region
KW  - Mackinac Region
KW  - History
N1  - Bibliography: p. 201-209
ER  -