Send data. Hard to visualize the problem.

Where is the 'unlike' button?

Yep - it does't have a good look these days!

Thanks Dan - This who social media thing is more confusing than my spaghetti code.

Here's a shot of Sperry Glacier from sept, 2023. terminus of glacier is towards top of photo from the Airborne Coastal Observatory (ACO). The firn and snow at top of glacier is darker than exposed ice below. Not a good look.