Relief shown by contours and spot heights. Topographic map series of Ecuador showing international boundaries, transportation, ground and water features, vegetation, churches, schools, mines, dwellings, and built-up areas. Standard map series designation: Serie J721. Each sheet is individually subtitled and numbered. Includes index to adjoining sheets, grid data and magnetic declination diagram. Map series index on verso of some sheets. Work on an Ecuadorian geodetic control network was completed in 1951 with assistance from the Inter American Geodetic Survey. Aerial photography flown in 1961 provided valuable data. In 1962 work on a topographic map series at a scale of 1:50,000 began. The goal was to provide national coverage with 588 sheets. Initially, priority was given to coastal areas and the Quito area.
Contents
3886. Provincia del Cañar, Cañar, Ecuador 3887. Provincia de Chimborazo, Alausí, Ecuador 3889:4. Chimborazo 3891:1. Mulalo 3892:2 Machachi 3991:4. Cotopaxi 3992:3. Sincholagua. 3992:4. Pintag
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