Here's 50 iCal calendars which include active caches (maximum 30 days) for each state.

Cache Owners :
See how control the settings of your event in iCal!

Instructions

iPhone / iTouch : With your device, go to the link http://www.geo-ical.com. Click on links for states you want subscribe.

Google Calendar :

  1. Authenticate to your Google Calendar.
  2. At the bottom of the calendar list on the left (Other Calendars Section), click the Add down-arrow button and select Add by URL.
  3. Enter the address field as indicated in Column Google Calendar URL for the desired state.
  4. Click Add. After a few seconds, the calendar will appear in Other Calendars section on the left.

Now, you are able to sync this new Google Calendar with your Android device.

Name Google Calendar
URL
(Arizona) CAhttp://www.geo-ical.com/ical.php?code=Arizona320
(Texas) UThttp://www.geo-ical.com/ical.php?code=Texas1140
(New York) OHhttp://www.geo-ical.com/ical.php?code=New York270
(Massachusetts) MDhttp://www.geo-ical.com/ical.php?code=Massachusetts80
(Florida) GAhttp://www.geo-ical.com/ical.php?code=Florida660
(Georgia) HIhttp://www.geo-ical.com/ical.php?code=Georgia240
(Wisconsin) WVhttp://www.geo-ical.com/ical.php?code=Wisconsin70
(Ohio) OKhttp://www.geo-ical.com/ical.php?code=Ohio450
(Washington) WIhttp://www.geo-ical.com/ical.php?code=Washington480
(Louisiana) MAhttp://www.geo-ical.com/ical.php?code=Louisiana30
(California) COhttp://www.geo-ical.com/ical.php?code=California670
(Missouri) MShttp://www.geo-ical.com/ical.php?code=Missouri220
(Colorado) CThttp://www.geo-ical.com/ical.php?code=Colorado360
(Maryland) MEhttp://www.geo-ical.com/ical.php?code=Maryland380
(Minnesota) MOhttp://www.geo-ical.com/ical.php?code=Minnesota330
(Alabama) ARhttp://www.geo-ical.com/ical.php?code=Alabama200
(New Jersey) NMhttp://www.geo-ical.com/ical.php?code=New Jersey150
(Indiana) KShttp://www.geo-ical.com/ical.php?code=Indiana120
(Iowa) IDhttp://www.geo-ical.com/ical.php?code=Iowa170
(South Carolina) SDhttp://www.geo-ical.com/ical.php?code=South Carolina70
(Oregon) PAhttp://www.geo-ical.com/ical.php?code=Oregon110
(Utah) VAhttp://www.geo-ical.com/ical.php?code=Utah190
(Michigan) MNhttp://www.geo-ical.com/ical.php?code=Michigan440
(Pennsylvania) RIhttp://www.geo-ical.com/ical.php?code=Pennsylvania250
(Nebraska) NHhttp://www.geo-ical.com/ical.php?code=Nebraska130
(New Mexico) NVhttp://www.geo-ical.com/ical.php?code=New Mexico80
(Delaware) FLhttp://www.geo-ical.com/ical.php?code=Delaware50
(Montana) NChttp://www.geo-ical.com/ical.php?code=Montana30
(Illinois) INhttp://www.geo-ical.com/ical.php?code=Illinois210
(Maine) MIhttp://www.geo-ical.com/ical.php?code=Maine90
(Oklahoma) ORhttp://www.geo-ical.com/ical.php?code=Oklahoma100
(North Carolina) NDhttp://www.geo-ical.com/ical.php?code=North Carolina100
(North Dakota) NEhttp://www.geo-ical.com/ical.php?code=North Dakota40
(Nevada) NYhttp://www.geo-ical.com/ical.php?code=Nevada80
(New Hampshire) NJhttp://www.geo-ical.com/ical.php?code=New Hampshire40
(Kansas) KYhttp://www.geo-ical.com/ical.php?code=Kansas190
(Mississippi) MThttp://www.geo-ical.com/ical.php?code=Mississippi10
(Arkansas) AZhttp://www.geo-ical.com/ical.php?code=Arkansas50
(Connecticut) DChttp://www.geo-ical.com/ical.php?code=Connecticut40
(Alaska) ALhttp://www.geo-ical.com/ical.php?code=Alaska90
(Hawaii) IAhttp://www.geo-ical.com/ical.php?code=Hawaii90
(Kentucky) LAhttp://www.geo-ical.com/ical.php?code=Kentucky100
(Tennessee) TXhttp://www.geo-ical.com/ical.php?code=Tennessee90
(Virginia) VThttp://www.geo-ical.com/ical.php?code=Virginia200
(South Dakota) TNhttp://www.geo-ical.com/ical.php?code=South Dakota30
(Idaho) ILhttp://www.geo-ical.com/ical.php?code=Idaho40
(Rhode Island) SChttp://www.geo-ical.com/ical.php?code=Rhode Island20
(Wyoming) http://www.geo-ical.com/ical.php?code=Wyoming20
Brought to you by Marvin A" in collaboration with Pericles2.
Data from Geocaching.com, Copyright © 2006 Groundspeak Inc.