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| -rw-r--r-- | dev/a3-earthquake/data/sources.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/dev/a3-earthquake/data/sources.txt b/dev/a3-earthquake/data/sources.txt new file mode 100644 index 0000000..30d3ad0 --- /dev/null +++ b/dev/a3-earthquake/data/sources.txt @@ -0,0 +1,8 @@ +Earthquake data from http://earthquake.usgs.gov/research/data/centennial.php. +As per http://www.usgs.gov/laws/info_policies.html, this data is in the public domain. +Credit: U.S. Geological Survey +Department of the Interior/USGS + +Earth texture from http://earthobservatory.nasa.gov/Features/BlueMarble/BlueMarble_monthlies.php +As per http://www.jsc.nasa.gov/policies.html#Guidelines, this data is in the public domain. +Data produced by NASA’s Earth Observatory |