diff --git a/.DS_Store b/.DS_Store index b446861..8b8f193 100644 Binary files a/.DS_Store and b/.DS_Store differ diff --git a/files/.DS_Store b/files/.DS_Store index 9ed7ae5..5882a72 100644 Binary files a/files/.DS_Store and b/files/.DS_Store differ diff --git a/files/data6-final.pdf b/files/data6-final.pdf new file mode 100644 index 0000000..b4db537 Binary files /dev/null and b/files/data6-final.pdf differ diff --git a/files/data6-maps-lecture.pdf b/files/data6-maps-lecture.pdf new file mode 100644 index 0000000..f634990 Binary files /dev/null and b/files/data6-maps-lecture.pdf differ