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.
OHVPCA.PAT: an ArcInfo polygon attribute table.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 AREA 8 18 F 5
9 PERIMETER 8 18 F 5
17 OHVPCA# 4 5 B -
21 OHVPCA-ID 4 5 B -
25 NAME 40 40 C -
65 STATUS 10 10 C -
75 AGENCY 32 32 C -
Item Name contains the name of the OHV area. The domain for Name is currently
Dove Springs, Dumont Dunes, El Mirage, Imperial Sand Dunes, Jawbone Canyon,
Johnson Valley, Olancha, Plaster City, Rasor, Spangler, Stoddard Valley, and "".
Item Status conatins information on OHV areas which are closed or open. The domain
for Status is currently closed, open, and "". Item Agency contains the name of the
Federal Agency administering the OHV area. Currently the domain of Agency is
BLM, Military, National Park Service, US Forest Service, and "".
OHVPCA.AAT: an ArcInfo arc attribute table.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 FNODE# 4 5 B -
5 TNODE# 4 5 B -
9 LPOLY# 4 5 B -
13 RPOLY# 4 5 B -
17 LENGTH 8 18 F 5
25 OHVPCA# 4 5 B -
29 OHVPCA-ID 4 5 B -
There are only ArcInfo system generated items in the OHVPCA arc attribute table.
OHVPCA.PATOHVAREA: an ArcInfo regions polygon attribute table for regions formed
on the "Name" item from the polygon attribute table.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 AREA 8 18 F 5
9 PERIMETER 8 18 F 5
17 OHVAREA# 4 5 B -
21 OHVAREA-ID 4 5 B -
25 NAME 40 40 C -
Item Name contains the name of the OHV area. The domain for Name is currently
Dove Springs, Dumont Dunes, El Mirage, Imperial Sand Dunes, Jawbone Canyon,
Johnson Valley, Olancha, Plaster City, Rasor, Spangler, Stoddard Valley, and "".
As an additional note, regions have been built on PAT items Status and Agency,
in a fashion similar to that described above for the "Area" region built on name.
These regions data sets are called "Status" and "Agency", and have the same domains
for items Status and Region as described above in for the PAT.
These data are provided without the approval of the Director of the U.S. Bureau of Land Management and no warranty expressed or implied is made regarding the accuracy, completeness, or utility of these data, nor shall the act of distribution constitute any such warranty. Any conclusions drawn from the use or misuse of these data are soley the responsibility of the user and the U.S Bureau of Land Management shall not be held liable for such use. This disclaimer applies both to individual use of these data and aggregate use with other data.