Initial commit-- a few biggie style slides
a few more slides
on to and
adding first query
Update postgis-101.md
shortening comments
Update postgis-101.md
bloody semicolons anyway
does nothing
Delete placeholder.md
adding screenshot of random points
QGIS Screenshot
replacing random points image with subset image and bigger points
adding more random points
adding more points
adding census and trail data
added and visualized more random points
Merge branch 'opengeocle' of https://github.com/maptime/postgis-101 into opengeocle
revising x random values
adding a quick q project