Generally, these data are intented for small scale (1:100,000 and smaller) natural resource management and planning applications. It is strongly recommended that these data be aquired directly from the U.S. Bureau of Land Management and not indirectly through some other source which may have changed the data. It is also strongly recommended that careful attention be paid to the content of the metadata file associated with these data. Users are cautioned that digitial enlargement of these data to scales larger than that at which they where originally mapped can cause misinterpretation. Users are further cautioned that these data and interpretations derived from them do not eliminate the need for onsite survey and evaluation of specific sites for intensive uses.
The U.S. Bureau of Land Management should be cited as the data source in any products derived from these data.
FACMCA.PAT:
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 AREA 8 18 F 5
9 PERIMETER 8 18 F 5
17 FACMCA# 4 5 B -
21 FACMCA-ID 4 5 B -
25 FAC_ID 5 5 I -
30 PROPERTY_NUM 9 9 N 2 PN
39 TEXT_JUST 2 2 C - TJ
41 COORD_SOURCE 20 20 C - CS
Item Fac_id is a simple incremental integer unique "id" for each facility
site. It currently ranges from 1 - 335. Property number is a number internal
to the BLM CA engineering community for identification of the property within
which the facility is located. This number in discontinuous, and not neccessarily
unique for each facility. It currently ranges between 0 and 125,779. Item
text_just is for cartographic text justification around each facility point.
Allowable values are: cl (center left), cr (center right), lc (lower center),
ll (lower left), lr (lower right), uc (upper center), ul (upper left), and ur
(upper right). Item Coord_source provides information regarding the source of the
coordinate pair values in placing the facility point in the data set. Current
values for this item are: 100k map, unknown geo, unknown utm10, unknown utm11,
and vis est.