Complete the sentences with prepositions: One … (1) the professors … (2) our University is known … (3) his work … (4) the field …
(5) geology. He finished the school … (6) Pittsburg and entered the Colorado School … (7)
Mines. … (8) the School he studied the full range … (9) subjects relating … (10) geology
and mining. … his practical training he visited many coal-fields and collected materials …
(11) his graduation paper … (12) the stratigraphy … (13) the Rocky Mountains. After
graduating … (14) the Colorado School … (15) Mines he worked as a geologist … (16) the
territory … (17) Colorado. He studied the geological systems … (18) various regions … (19)
the USA.