2026 -- H 7873

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LC005417

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     STATE OF RHODE ISLAND

IN GENERAL ASSEMBLY

JANUARY SESSION, A.D. 2026

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A N   A C T

RELATING TO PROPERTY -- RHODE ISLAND COORDINATE SYSTEM

     

     Introduced By: Representative Arthur Handy

     Date Introduced: February 27, 2026

     Referred To: House Corporations

     (Dept. of Business Regulation)

It is enacted by the General Assembly as follows:

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     SECTION 1. The title of Chapter 34-8 of the General Laws entitled "Rhode Island

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Coordinate System" is hereby amended to read as follows:

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CHAPTER 34-8

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Rhode Island Coordinate System

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CHAPTER 34-8

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RHODE ISLAND STATE PLANE COORDINATE SYSTEM

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     SECTION 2. Sections 34-8-1, 34-8-2, 34-8-3, 34-8-7, 34-8-9 and 34-8-10 of the General

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Laws in Chapter 34-8 entitled "Rhode Island Coordinate System" are hereby amended to read as

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follows:

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     34-8-1. Adoption of ocean and geodetic survey systems. Adoption of the national

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geodetic survey’s state plane coordinate systems.

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     The two (2) systems Rhode Island shall adopt the most recent system of plane coordinates

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which have, known as the State Plane Coordinate System, that has been established by the national

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ocean/national geodetic survey, or its successors, for defining and stating the geographic positions

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or locations of points on the surface of the earth within the state are hereafter to be known and

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designated State of Rhode Island as the “Rhode Island State Plane Coordinate System.”

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     Previous versions of these systems include the “Rhode Island coordinate system of 1927”

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and the “Rhode Island coordinate system of 1983”.

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     34-8-2. Use of term in documents. Definitions.

 

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     As used in this chapter, the following terms shall have the following meanings:

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     (1) “Board” means the board of registration for professional land surveyors as established

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by chapter 8.1 of title 5.

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     (2) “National Geodetic Survey” or “NGS” means the subdivision of NOAA’s National

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Ocean Service, or its successors, which provides the framework for all positioning activities in the

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US.

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     (3) “NOAA” means the National Oceanic Atmospheric Administration, of the US

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Department of Commerce.

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     (4) “National Spatial Reference System” or “NSRS” means a consistent coordinate system

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maintained by the NGS to determine latitude, longitude, height, scale, gravity, and orientation

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through the U.S.

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     (5) “Rhode Island state plane coordinate system” or “RISPCS” means the most recent

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system of plane coordinates known as the “State Plane Coordinate System” established by the

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National Geodetic Survey, based on the National Spatial Reference System, for defining and stating

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the geographic positions or locations of points within the State of Rhode Island. The terms “Rhode

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Island coordinate system” and “Rhode Island plane coordinate system” are synonymous with the

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term “Rhode Island state plane coordinate system.”

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     (6) Prior versions of the “Rhode Island coordinate systems,” collectively referred to as

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“legacy systems” are defined as:

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     (i) “The Rhode Island coordinate system of 1927” means a transverse Mercator projection

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of the Clarke spheroid of 1866, having a central meridian 71° 30′ west of Greenwich, on which

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meridian the scale is set at one part in one hundred sixty thousand (160,000) too small. The origin

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of coordinates is at the intersection of the meridian 71° 30′ west of Greenwich and the parallel 41°

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05′ north latitude. This origin is given the coordinates: x = 500,000 feet and y = 0 feet.

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     (ii) “The Rhode Island coordinate system of 1983” means a transverse Mercator projection

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of the North American datum of 1983 having a central meridian 71° 30′ west of Greenwich, on

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which meridian the scale is set at one part in one hundred sixty thousand (160,000) too small. The

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origin of coordinates is at the intersection of the meridian 71° 30′ west of Greenwich and the parallel

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41° 05′ north latitude. This origin is given the coordinates: x = 100,000 meters, and y = 0 meters.

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     (iii) The use of the term “Rhode Island coordinate system of 1927” or “Rhode Island

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coordinate system of 1983” on any map, report of survey, or other document, shall be limited to

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coordinates based on the Rhode Island coordinate system as defined in this chapter.

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     (7) “State plane coordinate system” means the most recent system of plane coordinates

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established by the National Geodetic Survey, based on the National Spatial Reference System, for

 

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defining and stating the geographic positions or locations of points within the United States.

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     34-8-3. Location of point by coordinates.

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     (a) The plane coordinate values for coordinates of a point on the earth’s surface, to be used

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to express in expressing the geographic position or location of such the point on the Rhode Island

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state plane coordinate system, shall consist of two (2) distances, expressed in:

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     (1) Meters and decimals of a meter, or international feet and decimals of an international

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foot when using the Rhode Island state plane coordinate system;

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     (2) Meters and decimals of a meter when using the Rhode Island coordinate system of

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1983; or

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     (3) U. S. survey feet and decimals of a survey foot when using the Rhode Island coordinate

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system of 1927, and expressed in meters and decimals of a meter when using the Rhode Island

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coordinate system of 1983.

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     (b) One of these the distances described in subsection (a) of this section, to be known as

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the “east or x-coordinate”, shall give the position in an east and west direction distance east of the

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y-axis; the other distance, to be known as the “north or y-coordinate”, shall give the position in a

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north and south direction distance north of the x-axis. These coordinates shall be made to depend

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upon and conform to plane rectangular coordinate values for the monumented points of the North

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American horizontal geodetic control network tied to the NSRS as published by the national ocean

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survey/national geodetic survey or its successors, and whose plane coordinates have been computed

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on the systems defined in this chapter. Any such station may be used for establishing a survey

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connection to either Rhode Island coordinate system set forth in § 34-8-1 of this chapter.

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     34-8-7. Reliance on system not required — Describing location of survey system or

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land boundary corner.

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     (a) Nothing contained in this chapter shall require any purchaser or mortgagee of real

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property to rely wholly on a land description, any part of which depends exclusively upon either

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Rhode Island coordinate system.

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     (b) For purposes of describing the location of any survey station or land boundary corner

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in the state it shall be considered a complete, legal, and satisfactory description of such location to

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give the position of the survey station or land boundary corner on the system of plane coordinates

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defined in this chapter. Coordinates based on any Rhode Island coordinate system defined in § 34-

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8-2, purporting to define the position of a point on a land boundary, presented to be recorded in any

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public land records or deed records shall conform with current standards and guidelines published

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by NGS and shall be accompanied by a specific statement as to their basis and a description of the

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survey method used to determine them on the record plat or description of the survey. Such

 

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coordinate values shall not supersede the board of registration for professional land surveyors’ rules

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for procedural and technical standards, as promulgated by the board through regulation, for the

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actual establishment and location of the purported boundary.

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     34-8-9. Use of coordinate systems.

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     (a) The Rhode Island coordinate system of 1927 may be was used up to and including

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December 31, 1989, but shall not be used thereafter.

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     (b) The Rhode Island coordinate system of 1983 may be used up to and including

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December 31, 1989, and shall be the exclusive Rhode Island coordinate system thereafter. the

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official release of the State Plane Coordinate System 2022 by the National Geodetic Survey.

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     (c) The Rhode Island state plane coordinate system shall be used for projects commenced

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after the official release of the State Plane Coordinate System 2022 by the National Geodetic

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Survey.

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     34-8-10. Meter-to-foot conversion.

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     (a) The international foot shall be used for all foot distances and coordinates unless the

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distances or coordinates are tied to one of the legacy systems defined in § 34-8-2.

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     (1) One international foot equals .3048 meter exactly.

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     (b) For purposes of this chapter, and for purposes of conversion between the two (2)

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systems set forth in § 34-8-1 of this chapter legacy systems defined in § 34-8-2, one meter equals

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3.2808-⅓ survey feet.

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     SECTION 3. Sections 34-8-4 and 34-8-6 of the General Laws in Chapter 34-8 entitled

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"Rhode Island Coordinate System" are hereby repealed.

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     34-8-4. Technical definition of systems — Origin of coordinates.

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     (a) For purposes of more precisely defining the Rhode Island coordinate system of 1927,

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the following definition by the national ocean survey/national geodetic survey is adopted:

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     The Rhode Island coordinate system of 1927 is a transverse Mercator projection of the

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Clarke spheroid of 1866, having a central meridian 71° 30′ west of Greenwich, on which meridian

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the scale is set at one part in one hundred sixty thousand (160,000) too small. The origin of

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coordinates is at the intersection of the meridian 71° 30′ west of Greenwich and the parallel 41° 05′

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north latitude. This origin is given the coordinates: x = 500,000 feet and y = 0 feet.

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     (b) For the purposes of more precisely defining the Rhode Island coordinate system of

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1983, the following definition by the national ocean survey/national geodetic survey is adopted:

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     The Rhode Island coordinate system of 1983 is a transverse Mercator projection of the

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North American datum of 1983 having a central meridian 71° 30′ west of Greenwich, on which

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meridian the scale is set at one part in one hundred sixty thousand (160,000) too small. The origin

 

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of coordinates is at the intersection of the meridian 71° 30′ west of Greenwich and the parallel 41°

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05′ north latitude. This origin is given the coordinates: x = 100,000 meters, and y = 100,000 meters,

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and y = 0 meters.

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     34-8-6. Proximity to established station required for use of coordinates in public

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records.

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     No coordinates based on either Rhode Island coordinate system, purporting to define the

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position of a point on land boundary, shall be presented to be recorded in any public land records

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or deed records unless such point is within one kilometer of a monumented horizontal control

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station and unless minimum THIRD ORDER — class II procedures are used in conformity with

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the standards of accuracy and specifications prepared and published by the federal geodetic control

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committee established in conformity with the standards of accuracy and specifications for first —

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or second-order geodetic surveying as prepared and published by the federal geodetic control

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committee (FGCC) of the United States department of commerce. Standards and specifications of

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the FGCC or its successor in force on date of the survey shall apply. The publishing of the existing

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control stations, or the acceptance with intent to publish the newly established control stations, by

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the national ocean survey/national geodetic survey will constitute evidence of adherence to the

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FGCC specifications. Above limitations may be modified by the Rhode Island department of

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transportation land surveying section to meet local conditions.

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     SECTION 4. This act shall take effect upon passage.

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LC005417

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EXPLANATION

BY THE LEGISLATIVE COUNCIL

OF

A N   A C T

RELATING TO PROPERTY -- RHODE ISLAND COORDINATE SYSTEM

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     This act would update the Rhode Island coordinate system to adopt the most recent system

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of plane coordinates established by the National Geodetic Survey, a federal agency which is part

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of NOAA and the US Department of Commerce, and would modify the meter to foot conversion

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to adopt the international foot to provide national uniformity.

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     This act would take effect upon passage.

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LC005417

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