Great Lakes Rock Hunter Mag 对比 MCC Event App 的使用情况和统计数据

Great Lakes Rock Hunter is a magazine for the amateur and hobbyist rockhound. Focused on the Great Lakes region, particularly around Michigan, GLRH provides rock collectors expert and professional knowledge to grow in their hobby. With articles about the best locations, the most interesting rocks, and tips and tutorials for crafts, polishing, and projects of all kinds to do with your finds, this monthly magazine seeks to answer every question you have about your hobby. GLRH empowers anyone interested in Great Lakes rocks with the knowledge of how to have the most fun finding those rocks, how to find the best pieces, what they are, how they formed, and what you can do with them once you’ve brought them home. Great Lakes Rock Hunter magazine subscriptions are available: 1-month subscription and 1-year subscription are automatically renewed until canceled. Payment for all purchases will be charged to your iTunes account at the confirmation of your purchase. A single issue (non-subscription) purchase is also available. SUBSCRIBERS’ AUTOMATIC-RENEWAL FEATURE: Your subscription automatically renews unless autorenew is turned off at least 24-hours before the end of the current period. Your iTunes account will automatically be charged at the same price for renewal 24-hours prior to the end of the current period (another year for annual subscribers, another month for monthly subscribers) unless you change your subscription preferences in your account settings. You can manage your subscriptions through your Account settings after purchase. No cancellation of the current subscription is allowed during active subscription period. For more info see: https://rockhuntermagazine.com/privacy-policy/ and https://rockhuntermagazine.com/terms-of-use/.