TY  - BOOK
AU  - Welby,Charles W.
TI  - Bedrock geology of the central Champlain Valley of Vermont,
T2  - Vermont. Geological Survey. Bulletin,
AV  - QE171 .A3 no. 14
PY  - 1961///
CY  - Montpelier
PB  - Vermont Development Dept.
KW  - Geology
KW  - Champlain Valley
N1  - Part of illustrative matter in pocket; Bibliography: p. 224-231
ER  -