Navigation

SatNavShop.com SatNavShop.com- Offers a range of equipment as well as in-house installation services. English versus American Bridges English versus American Bridges- Discussion on the merits of English and American iron bridges. Published in the 1874 edition of the Railway Gazette. A Treatise on Bracing With its Application to Bridges and Other Structures of Wood or Iron A Treatise on Bracing With its Application to Bridges and Other Structures of Wood or Iron- Full text of Bow's 1874 publication. Instructions on Modern American Bridge Building Instructions on Modern American Bridge Building- Full text of George Tower's illustrated book first published in 1874. Bridge Signs Bridge Signs- Douglas Coulter's collection of bridge maker's plates from wrought iron bridges of Illinois. Also features photographs of covered and iron bridges, and bridge postca… China Bridge China Bridge- Discover how China's Song dynasty during the eleventh and twelfth centuries used the high arch "rainbow bridge" to solve the problem of spanning a fast-moving river … The Colvin Crew The Colvin Crew- Organization formed for the purpose of perpetuating the memory of the pioneer surveyor, Verplanck Colvin, and his work in the Adirondacks. Americas Petroleum Survey Group Americas Petroleum Survey Group- A professional organization of global positioning experts from the petroleum industry. Site offers advice and information about GPS, geodetic datu… OGP Surveying and Positioning Committee OGP Surveying and Positioning Committee- Working in the areas of surveying, geodesy, cartography and coordinate data management. Meetings are held twice yearly. Geomatics Business Park Geomatics Business Park- A business and science office park for companies operating in the field of remote sensing, and associated technologies. Located near the Dutch National Ae… Society of Cartographers Society of Cartographers- Membership is widely drawn from the education sector, statutory institutions, local authorities, public utilities and the commercial and publishing indus… Eastern New York Society of Land Surveyors Eastern New York Society of Land Surveyors- Official website with society news, information, proprietor list and meeting schedule. ASPRS ASPRS- American Society of Photogrammetry and Remote Sensing: The imaging and geospatial information society. Canadian Institute of Geomatics Canadian Institute of Geomatics- Professional association for the "discipline aimed at managing geographic data by means of the science and technology used to acquire, store, proc…