Relf: Relief

Record Type

BIB

Bytes

MAP: 008/18-21; 006/01-04

Input Standards

MAP: Optional. Up to four, one-character codes. Default:

Definition

MAP, 006

Up to four one-character alphabetic codes that indicate the relief type specified on the item.

Some maps have several types of relief. If more than one code applies, enter them left-justified in order of their importance to the map. If fewer than four codes apply, leave the remaining positions blank.

Codes

No relief shown

a

Contours. Relief is represented by contours.

Relf			a g
500			Relief shown by contours and spot heights

b

Shading. Relief is represented by shading, usually of a single color.

Relf			b g
500			Relief shown by shading and spot heights

c

Gradient and bathymetric tints. Relief is represented by gradient and bathymetric tints.

Relf			c b
500			Relief shown by gradient tints and shading

d

Hachures. Relief is represented by hachures, short lines which follow the direction of maximum slope.

Relf			d
500			Relief shown by hachures

e

Bathymetry, soundings. Underwater relief (depth) on the item is represented by soundings or spot heights.

Relf			c e k
500			Depths shown by bathymetric tints, soundings, and isolines

f

Form lines. Relief is represented by form lines.

Relf			c f g
500			Relief shown by gradient tints, form lines, and spot heights

g

Spot heights. Relief is represented by spot heights.

Relf			c b g
500			Relief shown by gradient tints, shading, and spot heights. Depths shown by gradient tints

i

Pictorially. Land forms and other topographic features are represented in the correct planimetric position by pictorial symbols representing their appearance from a high oblique view.

Relf			i
500			Relief shown pictorially

j

Land forms. Relief is represented by land forms.

Relf			a c g j
500			Relief shown by contour lines, color, spot heights, and land forms

k

Bathymetry, isolines. Underwater relief (depth) is represented by isolines, lines representing constant depth.

Relf			k
500			Depths shown by isolines

m

Rock drawings. Item is a relief rock drawing.

Relf			a g m
500			Relief shown by contours, spot heights, and rock drawings

z	Other. None of the other codes is appropriate.

No attempt to code. If the fill character is used, all four positions must be coded with the fill character.

Indexing

This fixed field element is not indexed.

MARC 21

For more information, including content designator history, see MARC 21 Format for Bibliographic Data, 008/18-21 (Maps).

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