The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Ron Hilton:
The Virtual FlyBox is Colorado's virtual fly fishing field guide. The "Virtual FlyBox" application will help the angler select the correct Colorado fly fishing flies based on the river, season and time of day and is specifically designed to help you to be a more successful fly fisherman.Features: For each represented river, the application provides you with hatch details based on: - location on the river - month - time of day. Provides suggestions about: - which flies to choose - images of each fly - effective fly sizes - the flys entomology to help you decide how to fish the fly - how to rig the fly to be most effective - addition flies that can be used.