The Randall Preserve at the mouth of the Santa Ana River is considered the biggest undeveloped expanse of private land along the Southern California coast. Soon, it will be opened to the public. Here's how you can weigh in on the plans. 

<p>The Randall Preserve at the mouth of the Santa Ana River is considered the biggest undeveloped expanse of private land along the Southern California coast. Soon, it will be opened to the public. Here's how you can weigh in on the plans.&nbsp;</p>