Changes between Version 27 and Version 28 of Deployments/Sandy

Timestamp:

11/05/12 07:02:35 (12 years ago)

Author:

Pat Tressel

Comment:

--

Deployments/Sandy

@@ -48 +48 @@
     (Note ocpyrighted.)
  * L4 (Zip codes)
+  * Important zipcode facts: http://www.maponics.com/products/gis-map-data/maps-reports/zip-code-maps/faqs/
+   * Zipcodes can cross administrative region boundaries. They don't cross state boundaries, but do cross county boundaries.
+   * Zipcode regions are not technically polygons but rather groups of addresses.
+   * Zipcodes have a prefix hierarchy.
+    * http://stevemorse.org/jcal/zip.html
+    * Three-digit zipcode prefixes by state: http://en.wikipedia.org/wiki/List_of_ZIP_code_prefixes
   * NYS http://gis.ny.gov/gisdata/inventories/details.cfm?DSID=934
    * needs parenting to L3s via http://www.health.ny.gov/statistics/cancer/registry/appendix/neighborhoods.htm (done but this is only for NYC)
   * NJ: http://geocommons.com/overlays/22081
-  * Three-digit zipcode prefixes by state: http://en.wikipedia.org/wiki/List_of_ZIP_code_prefixes
  * Full hierarchy w/o shapefiles is available from http://www.zip-codes.com/zip-code-database.asp for US$40. They allow looking up data in batches here http://www.zip-codes.com/search.asp, but would need to copy & paste the table part of the page into a file (not the html, just select the rows in the rendered page). Caution: We do not want to use copyrighted or proprietary material w/o the requisite payment or attribution. Could contact them and inquire about temporary use of the information.