The Commonwealth of Puerto Rico uses a system of property taxation evolved from the 1893 Ley Hipotecaria mortgage law of the Spanish Colonial period. Based on 19th century agrarian economics, sugar ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

The study of geodetic numbers in graph theory represents a compelling fusion of abstract mathematical ideas with practical applications across network analysis, computational optimisation, and ...

On March 20, 2023, I wrote a short announcement about a funding opportunity by the National Geodetic Survey (NGS) to support the science of geodesy. NGS’ geospatial modeling grant is another example ...

GALVESTON, Texas - Survey Party Chief Robert Thompson splits his work day between the shore and sea, planning, conducting and coordinating land and hydrographic surveys to determine the condition of ...

On July 23, 2025, the National Geodetic Survey (NGS) sent a news notice announcing the rollout plan for remaining NSRS modernization products, including OPUS Products Changes, and on June 11, 2025, ...

Geodetic network deformation analysis is pivotal in monitoring crustal movements, land subsidence, and infrastructure stability. Recent advancements have focused on refining robust estimation methods ...

The initiative involves setting up precise reference points—known as geodetic control points—that are vital for accurate surveying, mapping, and planning. These fixed markers will serve as the ...

Array ( [results] => Array ( [0] => Array ( [ArticleID] => 2167346 [Title] => Geodetic Engineer Licensure Examination [Summary] => The Professional Regulation Commission announces that 21 out of 51 ...

The shared capacity, indefinite delivery contract will support USACE Civil Works projects to help advance navigation safety, dredging, flood control and hurricane response. The U.S. Army Corps of ...