Latvian Drainage network
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下载链接：
https://cmr.earthdata.nasa.gov/search/concepts/C2232848019-CEOS_EXTRA.html
下载链接
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资源简介：
Digitised from paper maps by Lativan Environment Data Centre.
Converted from DXF files to ARC/INFO coverage (GRID-Arendal).
Details start-end date ask Sindre
To get precise coordinates use ARC/INFO command "describe" on member 1
Members informations:
Attached Vector(s):
MemberID: 1
Vector Name: Rivers of Latvia
Projection: UTM
Projection_desc: Zone 35
Projection_meas: Metres
Feature_type: lline
Vector
Source map is Russian topographic map, scale supposed to be 1:500 000.
提供机构：
CEOS_EXTRA
