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ereo photo- coming increasingly important in Canada and elsewhere, particularly in engi- |
dian Topo- neering for airports and roads, and in ground water studies. |
:rlal photo- Photo interpretation in engineering geology has resulted in the economic |
nearly four exploitation of water power sites which otherwise might not have been devel- ||]
oyal Cana- il
€ on file in EEE . EE i | |
Department
i-metrogon,
large areas
(1/31,680).
> been con-
e detail for
opographic |
photos are |
| have been
e. With the
tific instal-
tional Air-
ll negatives
of the Pro-
its and the
en a major
arly in the
Mines and
ng geology.
| Technical
est user of
ned above,
- of photo-
r to about
th airphoto
ade of this | Fig. 1. Margaree Area, Nova Scotia.
ca | Bedrock Synclinal fold in lower Pennsylvanian strata: The massive sandstone
ed that the members stand out prominently, though actual outcrops are confined
rly zero in to stream beds.
ield, but it | Pleistocene An elevated sea beach can be traced around the coastline and up the
| use is ab- river valley: an old harbour mouth bar can also be seen on the wést
edito im- side of the river valley with a large sand and gravel pit showing due
ee . south from the northern end of the highway bridge. These features
engineering are approximately 200 feet above present sea level. Scale 1" — 1 mile
(1/63,360). Gov. of Nova Scotia Photo
tail is con- ;
, as glacial | oped for many years. The latest to be announced publicly is the Bersimis (River
f superfic- Canyon) in the Province of Quebec. Some work has also been done on the
ly compre- power sites adjacent to the new iron ore developments in Newfoundland Labra-
n which so | dor. The geological aspects of many of the sites are clearly shown in photos and
a matter of problems of construction are often anticipated and partially solved before
logy is be- ground work is even begun.
