Getting Started With Alpine Natural Gas: This has information with how to get started with ANG.
It gives you the steps to take to sign up, monthly charges, and general information.
Getting Started With Alpine Natural Gas Form

Customer Letter Gas Information: This has information about what natural gas, how safe it is, things to know about natural gas, as well as other information regarding natural gas.
Gas Information Form

Customer Notifications and Service Line Responsibility Form: This is a form that you must read and sign. It contains information regarding how Alpine Natural Gas is not responsible for any buried service lines or gas piping downstream of the meter.
Customer Notification Form

Application For Service: This is a form that you must read and sign. As well as a 30 dollar initation fee to begin service.
Application For Service Form