This database is not intended to be used as a land survey or representation of land for conveyance or tax purposes. The database is available to all users that may require this information.
Original source data came from 1:100,000-scale USGS topographic maps. Logical Consistency was established by utilizing the 1:100,000-scale USGS topographic map quadrangles as the maximum base map scale. This database is not intended to be used as a land survey or representation of land for conveyance or tax purposes. Further details are discussed in the Process Step portion of this metadata.
This database represents the most current and accurate understanding of the theme locations. The edition number associated with the database indicates current edition. Any databases not having a specified edition number should not be used. Please request a current copy of this database from the contact provided.
Vegetation Types of California, January 1, 1945 prepared under direction of the Forest Survey, A.E. Wieslander in charge, H.A. Jensen, Assistant.
Based upon study of aerial photos and photo indexes by L. E. Berriman, R. H. Cron, A. O. Desch, C. E. Harlan, H. A. Jensen, M. J. Nelson, E. J. Smithburg, and W. E. Turpin; Forest Survey, National Forest, and National Park vegetation-type maps; personal observations by H. A. Jensen, P. C. Johnson, and A. Fousett; and supplementary references.
This data has not been verified in the field by U.S. Bureau of Reclamation personnel. Should problems be found in this database please contact the Distributor.
NOT FOR DISTRIBUTION WITHOUT NOTICE TO USBR