Subsidence Risk Study

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Project History In 2017, the Texas Water Development Board (TWDB) hired LRE Water to assess the subsidence risk due to groundwater pumping for every major and minor aquifer Texas. In order to to quantitatively assess subsidence risk, our team analyzed: Well log data Drillers’ reports Subsidence observations Pumping records Groundwater availability models Other available data […]

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Online Well Management System

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Project Background Leonard Rice Engineers, Inc. (“LRE”) evaluated and developed groundwater resources and wells on the 28,000 acre Roark Ranch in west-central Wink County, Texas. The well field provides completion water for nearby oil and gas clients who are located in the eastern part of the Delaware Basin of west Texas. This project was completed in multiple phases. Phase 1 – […]

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South Platte Storage Study

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Project Summary The South Platte Storage Study (SPSS) investigated multi-purpose water storage possibilities in the Lower South Platte River Basin. Alternative storage ideas included new reservoirs, enlargement of existing reservoirs, and aquifer storage and recovery sites. As a sub-consultant to MWH, LRE: Prepared a literature review of Federal, state, and local laws and agreements that […]

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Metro Water Quality Assessment Tool

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Project Background Communicating with the public about water quality issues is a challenging task. It is difficult to talk about the highly technical nature of water quality data. This is especially true when communicating with an interested, yet non-technical lay population. The Urban Waters Partnership successfully commissioned the web-based Metro Water Quality Assessment Tool (WQAT) […]

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AAADAT

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In 2014 and 2015 LRE worked with the Colorado Division of Water Resources to build the State’s Alluvial Aquifer Accretions and Depletions Analysis Tool (AAADAT).  This groundbreaking tool uses official diversion records to estimate stream impacts of off-stream diversions (wells) and recharge ponds and provides a daily accounting of these impacts to connected river reaches. […]

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Colorado Canal Water Information Dashboard

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The Colorado Canal Water Information Dashboard provides a single location for water information management, pulling together data sources, maps, and accounting operations into a customized and secure website.   The Dashboard increases operational efficiency by enabling users to view, investigate and download Department of Water Resources (DWR) and local SCADA station data, as well as […]

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WISE Web Portal

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WISE Project History The Water Infrastructure and Supply Efficiency (WISE) regional water partnership between Aurora Water, Denver Water and South Metro Water Supply Authority exemplifies a collaborative and innovative approach to meeting Colorado’s water supply challenges. Sharing available water supplies and infrastructure capacity reduces groundwater reliance. It also bolsters renewable water supplies to the South […]

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Berthoud Water Resources Master Plan

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LRE was contracted in 2012 by the Town of Berthoud to complete its Water Resources Master Plan.  LRE was tasked with identifying the annual build-out demand for the Town, estimating the current firm yield of its water rights portfolio, and identifying the amount of water Berthoud would need to acquire in the future to meet […]

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MS4 Compliance Assurance Audit

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Evaluated minimum control measure (MCM) requirements found in MS4 CDPS General Permit, MS4 CDPS General Permit Rationale, Stormwater Discharges associated with MS4s Program Descriptions, state and EPA Phase II stormwater regulations and guidance documents; evaluated MS4 program for compliance with requirements. Provided final report that included recommendations on compliance status/needs for: Public involvement and outreach […]

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Upper Green River Storage, Level II Study

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This project involved investigation of water storage options in the Upper Green River Basin from the headwaters to Fontenelle Reservoir.  Leonard Rice Engineer’s responsibilities for the Wyoming Water Development Commission included reviewing the initial irrigation shortages estimated in the Green River Plan and determining environmental opportunities and permitting constraints. Leonard Rice Engineers revised the shortages […]

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Winter Park WSD On-Call Water Resources

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The Winter Park Water & Sanitation District serves the potable water demand for the Winter Park ski area and Old Town Winter Park.  The District relies upon direct flow diversions from the Fraser River for its water supply, and serves an in-house demand that peaks during the winter ski season (when river flows are at […]

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Eagle Park Reservoir Enlargement Environmental Permitting

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Eagle Park Reservoir is an off-channel reservoir located on property formerly owned by the Climax Molybdenum Company (Climax) at the Climax Mine in the upper Eagle River Basin, which was originally used to store mine tailings.  As part of the mine reclamation process, Climax removed tailings deposits from the reservoir and converted the facility to […]

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Eagle River WSD Water Quality and Regulatory Assistance

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LRE provides ongoing environmental, water quality, and regulatory assistance to the Eagle River Water & Sanitation District for a wide range of permitting and regulatory compliance processes.  Examples of tasks are listed below (note that tasks change based on changing immediate and long-term needs): Review and tracking of Water Quality Control Commission (WQCC) regulations to […]

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Broomfield Water Conservation Plan

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In 2004, the CWCB passed Colorado’s Water Conservation Act of 2004, which requires all retail water providers who sell at least 2,000 acre-feet of water annually to develop and gain CWCB approval of a water conservation plan. As of July 1, 2005, the minimum water conservation plan requirement elements were defined by the CWCB in […]

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Broomfield – Heit Pit (Environmental Management)

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LRE developed a design and bid documents for a 1,500 foot, 15 cfs pressurized pipeline to convey raw water from an alluvial well field and fill two below grade reservoirs located in Weld County, Colorado. The project design also includes a 22 cfs gravity discharge to supply augmentation water from reservoirs to the South Platte […]

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Broomfield – Heit Pit (Water Resources)

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LRE developed a design and bid documents for a 1,500 foot, 15 cfs pressurized pipeline to convey raw water from an alluvial well field and fill two below grade reservoirs located in Weld County, Colorado. The project design also includes a 22 cfs gravity discharge to supply augmentation water from reservoirs to the South Platte […]

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Broomfield Water Resources Services

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In 1977, Leonard Rice Engineers, Inc. was hired by the City of Broomfield to investigate water rights that the City was considering for purchase.  Since that time, LRE has worked with the City and now the County on a range of groundwater, surface water, environmental planning, civil design, regulatory compliance, and water conservation projects.  Services […]

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Brighton Well Yield Optimization Assessment

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To facilitate settlement of a water rights dispute among three municipal entities, LRE used an existing groundwater model developed by one of the entity’s consultant to estimate the maximum yield each entity could pump without causing excessive drawdown in each well and without causing exclusive drawdown in “trigger monitoring wells” installed during settlement of a […]

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Coal Creek Diversion Structure Rehabilitation (Environmental Management)

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Developed design plans to reconstruct the ditch headworks and upper ditch reaches Challenges included shifted stream channels and FEMA funding A Jefferson County Floodplain development permit and a Grading and Sediment Erosion Control (GESC) permit are required for the project Assessed USACE 404 permitting requirements and prepared the appropriate application documents

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Coal Creek Diversion Structure Rehabilitation (Water Resources)

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Developed design plans to reconstruct the ditch headworks and upper ditch reaches Challenges included shifted stream channels and FEMA funding A Jefferson County Floodplain development permit and a Grading and Sediment Erosion Control (GESC) permit are required for the project Assessed USACE 404 permitting requirements and prepared the appropriate application documents

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Mann Lakes Reservoir Repair

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Conducted a field investigation to assess damage impacts to the clay liner stability and permeability Repairs were designed based on results of the seepage analysis and the SEO guidelines for lining of gravel pit reservoirs LRE structured the project bid documents to accommodate separate funding sources and facilitate FEMA reporting for the client Project completed […]

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Mann Lakes Reservoir Repair

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Conducted a field investigation to assess damage impacts to the clay liner stability and permeability Repairs were designed based on results of the seepage analysis and the SEO guidelines for lining of gravel pit reservoirs LRE structured the project bid documents to accommodate separate funding sources and facilitate FEMA reporting for the client Project completed […]

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Chatfield Reservoir Storage Reallocation Project

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From 2005 to 2011, LRE represented the City of Brighton as a participant in the Chatfield Reservoir Reallocation Project.  After Brighton elected to end its participation in the project, LRE worked for the non-federal project sponsor, the State of Colorado Water Conservation Board to assist with NEPA and 404 permitting issues.  The project purpose was […]

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Greeley Water Storage Expansion Project

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Milton Seaman Reservoir Since 2004, LRE staff has assisted the City of Greeley with the NEPA and 404 permitting processes for the proposed Seaman Reservoir expansion project. LRE first represented Greeley on the regional Halligan-Seaman Water Supply Project (HSWSP).  This involved helping Greeley and the other project sponsors develop and review technical reports, evaluate project […]

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Rocky Ford Water Treatment Plant Improvements

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LRE prepared a Final Environmental Review Report for improvements to the Rocky Ford water system, as a part of the requirements to enable the City of Rocky Ford to receive project funding from the U.S. Department of Agriculture.  The project included: modifications to the City of Rocky Ford’s water treatment plant; replacement of an existing […]

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Donala WSD Groundwater Support Services

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Demand Planning, Forecasting Evaluation of Conservation Programs Water Supply Forecasting Denver Basin well design, construction, and testing Denver Basin well assessment and rehabilitation Denver Basin Aquifer Storage and Recovery (ASR) pilot testing Indirect Potable Reuse (IPR) feasibility analysis Groundwater support for Upper Arkansas ranch dry up water rights transfer

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Upper Eagle Groundwater Services

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Aquifer characterization and testing Well siting, design, construction and testing Well system optimization Well assessment and rehabilitation, including casing liner design, well screen patching, and pump/motor replacement Well water quality assessments, including bacteriological/chemical impact investigations and rehabilitation Water rights support Engineering design and water rights groundwater modeling

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Arkansas River Diversion Project

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Aquifer characterization Well field siting Well field alternatives analysis Engineering design MODFLOW groundwater modeling Well design, construction oversight, and testing Obtained well construction and design variance under Colorado Water Well Construction Rules Well field operational optimization

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Denver Water Aquifer Storage and Recovery (ASR) Pilot Project

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ASR pilot well and exploratory borehole siting Subcontractor procurement (driller, geophysical logger, sound abatement) Exploratory borehole drilling and geophysical logging (including NMR logging) Analysis and interpretation of lithologic and geophysical logging data (Petra® database) Geochemical modeling and water quality evaluation Permitting evaluation ASR pilot facility operations planning

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UDFCD Web-Based Flood Warning Maps and Real-Time Rainfall

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The District is one of LRE’s oldest clients. Kelly Close is the current Project Manager and has worked with the UDFCD since 2007. LRE provides online tools for the District that allow emergency managers to monitor flood risk and the general public to access the significant store of climate data that the District collects in […]

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CCWCD Web Tools Development and Database Systems

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Has been providing water rights support, water accounting expertise, GIS services and development of custom data collection and management tools to CCWCD since the early 2000s. Kelly Close develops and maintains an extensive system that ties in multiple databases, web sites and desktop tools with automated data and secure access to support CCWCD staff and […]

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GIS Database and Groundwater Depletions Calculations Tool

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Developing a GIS database for the Rio Grande Canal Water Users Association (RGCWUA) and working with Brannon Developments to compile necessary data and analytics into a database and provide an independent assessment of the Canal Company’s well depletion obligations to the Rio Grande sub-districts. The long term vision for the sub district obligations calculations database […]

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CCBWQA Water Quality Database Development/GIS Services (Environmental Management)

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Worked as the Authority’s Watershed Consultant since 2010 and provides a broad range of planning, permitting, GIS and data support roles. GIS and mapping services are often provided to support the Authority’s engagement and collaboration with watershed management agencies and other stakeholders. LRE developed and maintains the Authority’s centralized water quality database system and a […]

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CCBWQA Water Quality Database Development/GIS Services (Technology)

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Worked as the Authority’s Watershed Consultant since 2010 and provides a broad range of planning, permitting, GIS and data support roles. GIS and mapping services are often provided to support the Authority’s engagement and collaboration with watershed management agencies and other stakeholders. LRE developed and maintains the Authority’s centralized water quality database system and a […]

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Broomfield – Coal Creek

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Developed design plans to reconstruct the ditch headworks and upper ditch reaches Challenges include shifted stream channels and FEMA funding A Jefferson County Floodplain development permit and a Grading and Sediment Erosion Control (GESC) permit are required for the project Assessed USACE 404 permitting requirements and prepared the appropriate application documents Provided design documents, bid […]

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East Plum Creek Stream and South Well Field Improvements

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Improve a reach of East Plum Creek upstream of East Plum Creek Parkway The creek requires bank and slope stabilization in this area, well field improvements, and planning for a regional trail and crossing Currently investigating the site and developing alternatives for each of the projects Prepare final designs and construction documents for selected alternatives

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DWR Arkansas Basin Operational Tools Pilot

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Development of tools for effective daily management of water by Division 2 staff and Arkansas Basin Water Users Project leverages the Google Stack to streamline the water request process Achieves stakeholder requirement of informing water users of sub-daily river activities Automates the reporting of daily transactions back to HydroBase

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CWCB Water Efficiency Data Portal (WEDP)

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Web-based data entry and analysis tool developed in response to HB10-1051 Facilitates annual reporting of water use and conservation data by covered municipal water providers Data used for statewide water supply planning Utilized a collaborative and open process, involving multiple consultants, water providers, and stakeholders

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Trinity River Riverbank Filtration Feasibility Study

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Extensive hydrogeologic investigations to design, construct, and operate a Riverbank Filtration (RBF) pilot test facility Project funding constraints required a fast timeline and completion of project under budget and on schedule Final report included a methodology for RBF feasibility testing in other locations Goal for full-scale RBF was 10 MGD

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Black Hawk Water Rights Engineering Services

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LRE has served as the City’s water resources engineering firm since 1991.  LRE provides on-call services for a variety of projects including water rights management, permitting, and development review.  Initially, LRE assessed the physical and legal availability of water to the City under its existing water rights, and projected water demands for the anticipated growth […]

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Estes Park Water Master Plan

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Estimation of the current, future, and firm yield of the Town’s water rights portfolio Update of population and demand projections, including growth rate and build-out projections Identification of challenges and opportunities in meeting build-out demands with current water rights portfolio

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Vail Summer Recreation Facilities – EIS Hydrology and Stream Health Assessment

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The USDA Forest Service determined that an Environmental Impact Statement (EIS) was needed for Vail Resorts’ proposed improvements to its year-round recreation facilities at the Vail Ski Area that were located on National Forest System lands Performed the investigations needed to evaluate potential hydrologic impacts of the proposed activities Characterization of existing hydrologic function and […]

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Roxborough Diversion Study

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Completed feasibility-level designs for alternatives for construction of a 24 cfs diversion structure Aided in the development of design criteria by evaluating timing of availability of water in the river versus cost and structure requirements to divert at various in stream flow rates The feasibility design was for a unique, habitat-friendly, combined diversion / discharge […]

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Roxborough Diversion Study

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Completed feasibility-level designs for alternatives for construction of a 24 cfs diversion structure Aided in the development of design criteria by evaluating timing of availability of water in the river versus cost and structure requirements to divert at various in stream flow rates The feasibility design was for a unique, habitat-friendly, combined diversion / discharge […]

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CCBWQA Watershed Coordinator

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Since 2010, LRE has worked as CCBWQA’s Watershed Consultant.  Recent efforts involved completely rewriting to the Basin’s nine-year-old Watershed Plan.  The new plan centers on protecting the beneficial uses of Cherry Creek Reservoir.  LRE worked with the Board, Technical Advisory Committee, watershed management agencies, and other stakeholders, throughout plan development.  All had different concerns and […]

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Emergency 404 Permit for Gore Creek Sewer Line Repair

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Emergency repair to the main bypass pipeline which carries sewage from the Vail Wastewater Treatment Facility (WWTF) to the Avon WWTF after it was ruptured within Gore Creek’s channel by impact from runoff debris Required replacement of the existing damaged pipeline segment located in the stream crossing Pre-construction notification to the Army Corps of Engineers […]

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Gore Creek Water Quality Improvement Plan

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Developed the Gore Creek Water Quality Improvement Plan (WQIP) for the Eagle River Watershed Urban Runoff Group (URG), which included representatives from the Town of Vail, Eagle River Water and Sanitation District, Eagle River Watershed Council, Vail Resorts, Inc., Eagle County, CDOT, Vail Recreation District, and the Town of Avon The WQIP was designed to […]

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