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ISIS Licensing, copyright, distribution, and warranty information
USGS-authored or produced data, information, and software are in the
public domain.
Software and related material (data and (or) documentation), contained in or
furnished in connection with a software distribution, are made available by
the U.S. Geological Survey (USGS) to be used in the public interest and in
the advancement of science. You may, without any fee or cost, use, copy,
modify, or distribute this software, and any derivative works thereof, and
its supporting documentation, subject to the following restrictions and
If you distribute copies or modifications of the software and related
material, make sure the recipients receive a copy of this notice and
receive or can get a copy of the original distribution. If the software and
(or) related material are modified and distributed, it must be made clear
that the recipients do not have the original and they must be informed of
the extent of the modifications. For example, modified files must include a
prominent notice stating the modifications made, the author of the
modifications, and the date the modifications were made. This restriction is
necessary to guard against problems introduced in the software by others,
reflecting negatively on the reputation of the USGS.
The software is public property and you therefore have the right to the
source code, if desired. You may charge fees for distribution, warranties,
and services provided in connection with the software or derivative works
thereof. The name USGS can be used in any advertising or publicity to
endorse or promote any products or commercial entity using this software
if specific written permission is obtained from the USGS.
The user agrees to appropriately acknowledge the authors and the USGS in
publications that result from the use of this software or in products that
include this software in whole or in part.
Because the software and related material are free (other than nominal
materials and handling fees) and provided "as is," the authors, the USGS,
and the United States Government have made no warranty, express or implied,
as to accuracy or completeness and are not obligated to provide the user
with any support, consulting, training or assistance of any kind with
regard to the use, operation, and performance of this software nor to
provide the user with any updates, revisions, new versions or "bug fixes."
The user assumes all risk for any damages whatsoever resulting from
loss of use, data, or profits arising in connection with the access,
use, quality, or performance of this software
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