TY  - BOOK
AU  - Knotts,Armanis F.
TI  - The dunes of northwestern Indiana,
AV  - GB635.I6 K6
PY  - 1917///]
CY  - [Gary?
KW  - Sand dunes
KW  - Geology
KW  - Indiana
KW  - Michigan, Lake
N1  - "Prepared for and published in Indiana Geological Report, 1916." [Forty-first annual report of Department of Geology and Natural Resources, Indiana, p. 11-27]
ER  -