1.0 DCPLUS 20190830 15364300 20230106 15364300 https://www.arcgis.com/sharing/rest/content/items/12c5332c5a634e8bb8ab75dc3c80e039/info/thumbnail/ago_downloaded.png https://www.arcgis.com/home/item.html?id=12c5332c5a634e8bb8ab75dc3c80e039 12c5332c5a634e8bb8ab75dc3c80e039 Feature Service https://services2.arcgis.com/sdTb0lsRURdKFejG/arcgis/rest/services/Sedimentation_Range_Viewer/FeatureServer Sedimentation_Range_Viewer Lake Lanier Sedimentation Range Bathymetry This feature service provides historical sedimentation range survey data and survey control positions to monitor changes in reservoir and channel capacities for USACE operations. USACE/uCOP GIS 20.792181 21.848926 14.271402 13.466527 1 <p><strong>Overview</strong></p> <p>This feature service provides spatial data on historical sedimentation ranges and survey control positions. It supports USACE missions by enabling the analysis of sediment accumulation over time, which is critical for maintaining navigation channels, evaluating dredging needs, and managing reservoir storage capacities.</p> <p><strong>Content</strong></p> <ul> <li><strong>SurveyPosition_P</strong> — Point locations of survey positions and control monuments used for sedimentation surveys.</li> <li><strong>SR_1956_Z</strong> — Sedimentation range elevation and station data from the 1956 survey.</li> <li><strong>SR_1981_Z</strong> — Sedimentation range elevation and station data from the 1981 survey.</li> <li><strong>SR_1990_Z</strong> — Sedimentation range elevation and station data from the 1990 survey.</li> <li><strong>SurveyPosition_L</strong> — Linear features representing survey lines and alignments used in the data collection process.</li> </ul> <p><strong>Use Cases</strong></p> <ul> <li>Analyze historical sediment accumulation and cross-sectional trends across different survey years (1956, 1981, 1990).</li> <li>Assess reservoir and channel capacity changes to support USACE water management and maintenance dredging operations.</li> </ul> <p><i>Note: Description automatically generated via GenAI analysis.</i></p><div style='text-align:Left;'><div><p style='text-align:center;'><b><font color='#9932cc'>UNCLASSIFIED // CUI</font></b></p><p><span><i>While the United States Army Corps of Engineers (hereinafter referred to USACE) has made a reasonable effort to ensure the accuracy of the maps and associated data, it should be explicitly noted that USACE makes no warranty, representation or guaranty, either express or implied, as to the content, sequence, accuracy, timeliness or completeness of any of the data provided herein. The USACE, its officers, agents, employees, or servants shall assume no liability of any nature for any errors, omissions, or inaccuracies in the information provided regardless of how caused. The USACE, its officers, agents, employees or servants shall assume no liability for any decisions made or actions taken or not taken by the user of the maps and associated data in reliance upon any information or data furnished here. By using these maps and associated data the user does so entirely at their own risk and explicitly acknowledges that he/she is aware of and agrees to be bound by this disclaimer and agrees not to present any claim or demand of any nature against the USACE, its officers, agents, employees or servants in any forum whatsoever for any damages of any nature whatsoever that may result from or may be caused in any way by the use of the maps and associated data.</i></span></p></div></div> 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12c5332c5a634e8bb8ab75dc3c80e039 https://services2.arcgis.com/sdTb0lsRURdKFejG/arcgis/rest/services/Sedimentation_Range_Viewer/FeatureServer Feature Service