172

it;

125.

134.
143.

22.
112.
121.
135.

233.
52,

114.
115.

} 117.

COLLEGE OF LETTERS AND SCIENCE

MAPPING. II; 3 cr. Not open to freshmen. Application of plane
table and other instruments to geologic and topographic mapping.
Lab. fee $3.00. Mr. Thwaites.

FIELD WorRK FOR ADVANCED STUDENTS. II; 1 cr. One week in May
in alternate years is spent in geologic mapping of some selected area,
usually in the iron or copper districts of Lake Superior or the zinc
district of Wisconsin. Offered 1929-30 and in alternate years. In
the semester following course 117, a ten-day trip is taken to the Lake
Superior district, offering a survey of the region. Mr. Leith, Mr.
Mead.

REGIONAL GEOLOGY. Yr; 2 cr. Prerequisites: Geology 1 or 9, 114,
and senior standing. A study of world geology. Western hemi-
sphere first semester, eastern hemisphere second semester. Offered
1929-30 and in alternate years. Mr. Twenhofel.

GLACIAL GEOLOGY. II; 8 er. Prerequisite: Geology 1 or 9, or
Geography 4. 3:30 MWF. Mr. Thwaites.

HISTORICAL GEOLOGY

ELEMENTARY PALEONTOLOGY. II; 2 er. A study of extinct organ-
isms. To be preceded by or taken with Geology 1 or 9 unless student
has taken Zoology 1. Mr. Twenhofel.

HISTORICAL GEOLOGY AND STRATIGRAPHY. II; 5 cr. Prerequisites:
Geology 1 and 121. Offered 1930-31 and in alternate years. 8 MWF.
Mr. Twenhofel.

PALEONTOLOGY. I; 5 cr. Prerequisite: Geology 1. Offered 1930-31
and in alternate years. Lab. fee $1.00. Lecture 8 TT; lab. 8-10
MWF. Mr. Twenhofel.

History OF GEOLOGY. I; 1cr. Prerequisites: Geology 1 or 9, Geog-
raphy 4 and senior standing. Offered 1929-30 and in alternate years.
Mr. Twenhofel.

STUDIES OF SEDIMENTS. II; 2 cr. Prerequisites: Geology 133, 108.
Lab. fee $5.00. Mr. Twenhofel.

PHYSICAL GEOLOGY

ELEMENTARY ECONOMIC GEOLOGY. I; 3 cr. Prerequisites: Geology
1, 2, or 9, and 6 or 7. A study of the manner of occurrence, origin
and uses of the metallic ores and the non-metallic mineral products.
10 MWF; 2 hrs. lab. Mr. Mead, Mr. Andrew Leith.

STRUCTURAL GEOLOGY. I; lect. 3 cr.; lab. 2 cr. The laboratory work
includes map interpretation. Prerequisite: Geology 1. Lab. fee
$3.00. Lect. 11 MWF; lab. 1:30-3:30 TT. Mr. Leith, Mr. Mead.

METAMORPHIC GEOLOGY. II; 5 cr. Prerequisites: Geology 1 and 6.
Offered 1930-31 and in alternate years. Lab. fee $3.00. Lect. 11
MWF; lab 1:30-3:30 TT. Mr. Mead, Mr. Leith, Mr. Emmons.

PRINCIPLES OF PRE-CAMBRIAN GEOLOGY. I; 2 cr. Prerequisite: Geol-
ogy 114. Offered 1930-31 and in alternate years. For field trips see
course 125. 11 TT. Mr. Leith.