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+Apache-Style Software License for ColorBrewer software and ColorBrewer Color
+Schemes
+
+Copyright (c) 2002 Cynthia Brewer, Mark Harrower, and The Pennsylvania State
+University.
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may not
+use this file except in compliance with the License. You may obtain a copy of
+the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+License for the specific language governing permissions and limitations under
+the License.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions as source code must retain the above copyright notice, this
+list of conditions and the following disclaimer.
+
+2. The end-user documentation included with the redistribution, if any, must
+include the following acknowledgment: "This product includes color
+specifications and designs developed by Cynthia Brewer
+(http://colorbrewer.org/)." Alternately, this acknowledgment may appear in the
+software itself, if and wherever such third-party acknowledgments normally
+appear.
+
+4. The name "ColorBrewer" must not be used to endorse or promote products
+derived from this software without prior written permission. For written
+permission, please contact Cynthia Brewer at cbrewer@psu.edu.
+
+5. Products derived from this software may not be called "ColorBrewer", nor
+may "ColorBrewer" appear in their name, without prior written permission of
+Cynthia Brewer.