Earth Day celebration at Exploration Green, 4/23/2016.

Earth Day celebration at Exploration Green, 4/23/2016.

Earth Day celebration at Exploration Green, 4/23/2016.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

Gully on north side of lane near farmer's gate, 3 February 2008. Top clear but sand notable inside.

Mississippi River - Carrollton Levee - New Orleans, Louisiana

Earth Day celebration at Exploration Green, 4/23/2016.

Earth Day celebration at Exploration Green, 4/23/2016.

Earth Day celebration at Exploration Green, 4/23/2016.

Earth Day celebration at Exploration Green, 4/23/2016.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

The Quaggy comes out of a culvert into the park

Earth Day celebration at Exploration Green, 4/23/2016.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

Earth Day celebration at Exploration Green, 4/23/2016.

Earth Day celebration at Exploration Green, 4/23/2016.

Earth Day celebration at Exploration Green, 4/23/2016.

The Quaggy comes out of a culvert into the park

On the slough at Grizzly Island

Local flood control scheme.

Earth Day celebration at Exploration Green, 4/23/2016.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

I didn't see many people in the park, but it was a weekday afternoon.

Earth Day celebration at Exploration Green, 4/23/2016.

To the E & N of the park is a very run-down council estate, that's gradually being replaced with new buildings. No way for me to tell if this is improving living conditions for the existing residents or pushing them out, but the rendition doesn't make me optimistic.

Earth Day celebration at Exploration Green, 4/23/2016.

Gully on north side of lane at entrance to Newington path, 3 February 2008. Sand visible inside.

Groundbreaking ceremony and celebration for Exploration Green, a joint flood control, recreation, environment, and conservancy project of the Clear Lake City Water Authority and the Exploration Green Conservancy.

A heavy fog lifts over Dale Hollow Dam and Reservoir Oct. 19, 2018 during the 75th Anniversary Commemoration at the dam's overlook in Celina, Tenn. (Photo by Lee Roberts)

The Ferrier Estate, to the North and East of the park, is gradually being demolished and replaced with what will be much nicer looking buildings. I couldn't tell if this is going to displace the current residents or improve their living conditions.

The Ferrier Estate, to the North and East of the park, is gradually being demolished and replaced with what will be much nicer looking buildings. I couldn't tell if this is going to displace the current residents or improve their living conditions.