LICENSE.note

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 understandings.

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.