DATA COLLECTION
STATISTICS

AERIAL SURVEYS
BATHYMETRIC SURVEYS
CADASTRAL SURVEYS
CENSUSES
ECONOMIC SURVEYS
EDUCATIONAL SURVEYS
FAMILY LIFE SURVEYS
FOLLOW-UP SURVEYS
GEODETIC SURVEYS
GEOLOGICAL SURVEYS
GEOPHYSICAL SURVEYS
HOUSING SURVEYS
HYDROGRAPHIC SURVEYS
INDUSTRIAL SURVEYS
LIBRARY SURVEYS
MARINE SURVEYS
MINERAL SURVEYS
NATURAL RESOURCES SURVEYS
POPULATION SURVEYS
QUESTIONNAIRES
SAMPLE SURVEYS
SOCIAL SURVEYS
SOIL SURVEYS
STRATIGRAPHIC SURVEYS
TRAFFIC SURVEYS
WAGE SURVEYS

INTERVIEWING
INTERVIEWS
STATISTICAL SERVICES