3
:or more than
provide a basis for an economic review and reconstruction of the region affected
country. In
by the earthquakes, and for a total of more than 120,000 square kilometers in the
using airborne
central area of the country.
up the Project
In 1960 the southern portion of Chile suffered several severe earthquakes
aents been com-
which caused substantial damage in many of its major southern cities. The
5 and methods,
Organization of American States, employing emergency funds which had been supplied
by its member nations, sent a mission to Chile to review the earthquake disaster
i period of 40
problems and to recommend a program for a planned rehabilitation and redevelopment
iventional ground
of the affected areas.
it advances in
The OAS Mission recognized the immediate need for the relief of the major
it leaders, to
cities damaged by the earthquakes and tsunamis that followed. They recommended
ilists, and
first the preparation of large scale topographic maps and geological investiga
Lde them with
tions to provide the essential tools for planning the urgently needed reconstruc
work requires
tion of buildings, utilities and major public works. In addition, a broader
it and supervise
program was proposed for an inventory of natural resources to provide current data
>urce inventory
for the economic development of the entire region affected by the earthquakes.
Lie was
The first phase of the program provided for the obtaining of aerial photo
graphs at a scale of 1:50,000 of the entire region; photographs at a scale of
American States
1:10,000 for the major damaged cities to be used in the preparation of 1:2,000
Bank. The work
topographic maps; and the commencement of a program to provide mosaics at a scale
ig companies,
of 1:20,000 for the region.
3 of Los Angeles;
Later the Government of Chile initiated the second phase of the program.
irvey Corporation
This consisted of a property inventory program to define and delineate on the
:s and
1:20,000 mosaics the boundaries and ownership of more than 170,000 properties
the Government
within the region. In addition, a review was made to determine, classify, and
construction and
show on an overlay to the mosaics the present land use of all the area included
reform and taxa-
in the Project. Aerial photographs at a scale of 1:20,000 were obtained in the
:ransportation,
basic agricultural and populated areas in the region.
accomplishing
The aerial photographs were used to conduct detailed photo-interpretation
resources to
studies for the land use work. They also served as a medium for plotting property
these objectives the project provided a broad inventory of natural resources to