Topographic/bathymetric survey using conventional and GPS surveying equipment as part of the West Fork of the Hoquiam River Dam Removal and Groundwater Replacement Preliminary Design and Permitting project from 2023-04-18 to 2023-04-20. (NCEI Accession 0302759)

A topographic and bathymetric survey of the West Fork River near the West Fork Hoquiam River Dam was completed by Parametrix using conventional and GPS surveying...Parametrix公司采用常规测量与GPS（全球定位系统）测量技术，完成了霍奎亚姆河西叉河大坝附近的西叉河地形及水深勘测工作。