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The following dataset includes "Active Benchmarks," which are provided to facilitate the identification of City-managed standard benchmarks. Standard benchmarks are for public and private use in...
Search relevance: 170.84 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 06:03 PM -
Here we provide data used to report on changes in tidal marsh elevation in relation to our network of 20 fixed benchmarks located across a geographically broad network of coastal elevation...
Search relevance: 52.53 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:12 PM -
This dataset contains the easting, northing, and elevation values of the river-right and river-left transect endpoint reference benchmarks (RBM and LBM) from survey transects at 10 survey reaches...
Search relevance: 46.57 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:02 PM -
Here we provide data used to report on changes in tidal marsh elevation in relation to our network of 387 fixed benchmarks in tidal marshes on four continents measured for an average of 10 years....
Search relevance: 44.48 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:01 PM -
This dataset describes survey data collected for the Bureau of Reclamation (Reclamation), the agency in charge of regulating Colorado River water control operations impounding the Lake Powell...
Search relevance: 43.28 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:11 PM -
During autumn 2009 and winter 2010, the U.S. Geological Survey (USGS), in cooperation with the U.S. Army Corps of Engineers (USACE), conducted a hydrographic survey using a multibeam echosounder...
Search relevance: 41.51 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 08:47 PM -
The horizontal accuracy assessment dataset consists of spatial coordinate and elevation values of “hard points” identified in each digital surface model (DSM) dataset and their spatial location...
Search relevance: 41.18 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:57 PM -
A 4D microgravity survey began in early 2019 in order to benchmark surface and subsurface elevations prior to Phase 3 drilling and stimulation campaigns. Microgravity stations are collocated with...
Search relevance: 40.11 | Views last month: 1 | Catalog Last Checked: October 15, 2026 at 11:03 PM -
Surface Elevation Tables and Marker Horizon (collectively SET-MH) datasets provide a unique opportunity to evaluate tidal marsh accretion rates compared with current and projected sea-level rise. ...
Search relevance: 40.01 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:59 PM -
The Northeast Temperate Network (NETN) monitors water quality and water quantity at 9 national park sites to document the status and trends of their lake, pond, and stream resources. NPS...
Search relevance: 39.94 | Views last month: 0 | Catalog Last Checked: October 17, 2026 at 11:22 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.89 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:06 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.89 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:07 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.89 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 10:37 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.26 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:35 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.26 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:16 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.26 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:07 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.26 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:44 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.26 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 10:27 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.26 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 10:24 PM -
In the late 1880's and early 1900's the Mississippi River Commission (MRC) conducted an extensive high-resolution survey of the Mississippi River from Cairo, Illinois to Minneapolis, Minnesota....
Search relevance: 38.26 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 09:21 PM