essed to

~George S. Godard~,
_State Librarian_,
Hartford, Conn.

In addition to the bulletins above named, published by the State
survey, attention is called to three publications of the United States
Geological Survey prepared in co-operation with the Geological and
Natural Survey of Connecticut. These are the following:

Bulletin 484. The Granites of Connecticut: by T. Nelson Dale and
Herbert E. Gregory.

Water-Supply Paper 374. Ground Water in the Hartford, Stamford,
Salisbury, Willimantic and Saybrook Areas, Connecticut: by Herbert E.
Gregory and Arthur J. Ellis.

Water-Supply Paper 397. Ground Water in the Waterbury Area,
Connecticut: by Arthur J. Ellis, under the direction of Herbert E.
Gregory.

These papers may be obtained from the Director of the United States
Geological Survey at Washington.

CATALOGUE SLIPS.

_=Connecticut.= State geological and natural history survey._

Bulletin no. 30. Drainage Modifications and Glaciation in the Danbury
Region, Connecticut. By Ruth S. Harvey, Ph.D. Hartford, 1920.

59 pp., 5 pls., 10 fig., 25cm.

=_Harvey, Ruth Sawyer, Ph.D._=

Drainage Modification and Glaciation in the Danbury Region,
Connecticut. By Ruth S. Harvey, Ph.D. Hartford, 1920.

59 pp., 5 pls., 10 figs., 25cm.

=_Geology._=

Harvey, Ruth S. Drainage Modifications and Glaciation in
the Danbury Region, Connecticut. Hartford, 1920.

59 pp., 5 pls., 10 figs., 25^cm.

State of Connecticut

PUBLIC DOCUMENT No. 47

State Geological and Natural
History Survey

HERBERT E. GREGORY, SUPERINTENDENT

BULLETIN No. 30

~Hartford~

Printed by the State Geological and Natural History Survey
1920

State Geological and Natural History Survey

COMMISSIONERS
~Marcus H. Holcomb~, Governor of Connecticut
~Arthur Twining Hadley~, President of Yale University
~William Arnold Shanklin~, President of Wesleyan University
~Remsen Brickerhoff Ogilby~, President of Trinity College
~Charles Lewis Beach~, President of Connecticut Agricultural College
~Benjamin Tinkham Marshall~, President of Connecticut College
for Women