Availability of Cited References


USDA Employees. Books will be sent on loan; photocopy of journal
articles or non-circulating publications will be sent in lieu of loan.
Submit requests on Form AD-245 (5/78) which is available from an agency
procurement office. USDA employees in a state participating in the
Regional Document Delivery System should send the requests through their
state land-grant institutions (see list on back). Employees in other
states may send requests directly to: Lending Branch, TIS/SEA, National
Agricultural Library Bldg., Beltsville, MD 20705.

NON-USDA Requestors. Requestors are expected to use the resources of
their local state or national libraries before sending requests to the
National Agricultural Library. Individuals should arrange for loans
through their nearest library as loans are made only to other libraries.
Individuals may request photocopy on USDA Form LF-607 which can be
requested in advance from the Library.

Requests sent through university libraries, information centers and
commercial organization libraries should be submitted on the American
Library Association or International Interlibrary request form. TWX
messages are accepted (710-028-0506). Requests for photocopy will not be
processed without a statement that the request complies with copyright
regulations.

Loans: Materials are loaned for one month; renewals for an additional
month may be requested if the request is received before the due date.
All loans are sent first class and should be returned in the same
manner.

Restrictions to loans: The following materials will not be loaned:
serials and journals (except USDA serials), proceedings of conferences or
symposia, rare or reserve books, reference books, or micoforms. Only
monographs published in the U.S. will be lent to libraries in other
countries. Photocopy rates are:
 Electrostatic copy: $2 for each 10 pages or fraction
 copied from a single article or
 publication
 Microfilm (35 mm): $1 for each 30 pages or fraction
 copied from a single article or
 publication.

Invoices for completed work will be sent twice yearly. Do NOT send
payment with requests. NOTE: Once a request has been accepted and
processing has begun, the requests cannot be cancelled. Any request
placed is regarded as binding on the part of the requestor and
appropriate charges will be made.

SEND REQUESTS TO: ILL/Photoduplication Section, TIS/SEA, National
Agricultural Library Bldg., Beltsville, MD 20705.

Questions regarding these services should be directed to the attention of
the Head, Utilization Section (301) 344-3761.