342 - Geospatial Reference Data (R)
MARC 21 Bibliographic - Concise
2007
Description of the frame of reference for the coordinates in a data set. To work with a
data set a user must be able to identify how location accuracy has been affected through
the application of a geospatial reference method, thus enabling the user to manipulate
the data set to recover location accuracy.
Indicators
First - Geospatial reference dimension
0 - Horizontal coordinate system
1 - Vertical coordinate system
Second - Geospatial reference method
0 - Geographic
1 - Map projection
2 - Grid coordinate system
3 - Local planar
4 - Local
5 - Geodetic model
6 - Altitude
7 - Method specified in $2
8 - Depth
Subfield Codes
$a - Name (NR)
$b - Coordinate units or distance units (NR)
$c - Latitude resolution (NR)
$d - Longitude resolution (NR)
$e - Standard parallel or oblique line latitude (R)
$f - Oblique line longitude (R)
$g - Longitude of central meridian or projection center (NR)
$h - Latitude of projection center or projection origin (NR)
$i - False easting (NR)
$j - False northing (NR)
$k - Scale factor (NR)
$l - Height of perspective point above surface (NR)
$m - Azimuthal angle (NR)
$n - Azimuth measure point longitude or straight vertical longitude from pole (NR)
$o - Landsat number and path number (NR)
$p - Zone identifier (NR)
$q - Ellipsoid name (NR)
$r - Semi-major axis (NR)
$s - Denominator of flattening ratio (NR)
$t - Vertical resolution (NR)
$u - Vertical encoding method (NR)
$v - Local planar, local, or other projection or grid description (NR)
$w - Local planar or local georeference information (NR)
$2 - Reference method used (NR)
$8 - Field link and sequence number (R)
Examples
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01$aPolyconic$g0.9996$h0$i500,000$j0
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16$aNational geodetic vertical datum of 1929$v1$bmeters$wImplicit coordinates.
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00$c0.0004$d0.0004$bDecimal degrees
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01$aPolyconic$g0.9996$h0$i500,000$j0
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05$sWorld geodetic system 72$t6378135$u298.26
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16$aNational geodetic vertical datum of 1929$v1$bmeters$wImplicit coordinates.
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18$aLowest astronomical tide
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18$aLowest astronomical tide
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16$aNational geodetic vertical datum of 1929$v1$bmeters$wImplicit coordinates.
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00$c0.0004$d0.0004$bDecimal degrees
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05$aWorld Geodetic System 1984 (WGS-84)$c0.0000001$d0.0000001$bDegrees, Minutes, and Decimal seconds$qWorld Geodetic System 1984 (WGS-84)$r6378137.0$s298.257223563
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01$aPolyconic$g0.9996$h0$i500,000$j0
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02$aUniversal Transverse Mercator$p13$k0.9996$g-105.00$h0.00$i500,000$j0.0
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02$aState Plane Coordinate System 27, Lambert Conformal
Conic$p0405$g-69.0$h0.0$i500000.0$j0.0
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01$aPolyconic$g0.9996$h0$i500,000$j0
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02$aState Plane Coordinate System 27, Lambert Conformal
Conic$p0405$g-69.0$h0.0$i500000.0$j0.0
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03$vMissouri East State Plane NAD27$qClarke 1866$r6378206.4 M$s294.97869821
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05$sWorld geodetic system 72$t6378135$u298.26
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18$aNGVD 1929$t0.01$bfeet$uExplicit depth coordinate included with horizontal
coordinates
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