{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The introduction to geodetic surveying.: In three parts: I. The figure of the earth. II. The principles of least squares. III. The field work of triangulation.","author_name":"Mansfield Merriman","thumbnail_url":"https://www.ebooknetworking.net/books/142/977/big1429776986.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1429776986.html\">The introduction to geodetic surveying.: In three parts: I. The figure of the earth. II. The principles of least squares. III. The field work of triangulation.</a>","width":400,"height":300}