BURY CLAY TILE TO LOWER MEADOW.
Then another note:
IRON GATE AT BOX.
ROPE LIFT.
Toby stared.
“Rope lift.”
Walter sat down on an old trunk.
“Well.”
“That’s what I pulled.”
“Looks that way.”
Another notation appeared below.
DRY WEATHER: OPEN LOWER GATE PART WAY.
WET SEASON: DIVERT FULL.
DO NOT LET BOX BACK UP.
Helen joined them after hearing voices.
Walter showed her.
She read twice.
“Do not let box back up.”
She said.
“That sounds important.”
“It probably is.”
Toby traced the sketch.
“Maybe I opened it.”
Walter shook his head.
“Or closed it.”
The room went quiet.
That possibility had not occurred to Toby.
The pond was rising.
They had assumed he allowed spring water into it.
But the old system might have done the opposite.
Maybe the rope controlled outflow.
Maybe he had blocked something.
Maybe the rising water was pressure building where it should not.
Helen closed the ledger.
“We call somebody now.”
Ray Dobbins arrived the following afternoon.
Ray was fifty-three.
Owned a small excavating company.
Built and repaired farm ponds.
Cleared drainage ditches.
Installed culverts.
Rebuilt washed-out crossings.
He was the kind of man who looked at a problem for a long time before speaking.
He walked the dam first.
Then basin.
Then rope.
He made Toby explain exactly what happened.
“How far did it move?”
“Three feet maybe.”
“Up or toward you?”
“Toward me.”
“Resistance?”
“Hard, then sudden.”
“Noise?”
“Scrape.”
“Metal?”
“Yes.”
“Knock afterward?”
“Yes.”
Ray examined the wet mud.
Then the ledger.
He read the old note.
“Could be a sluice plate.”
Walter nodded.
“That was my thought.”
“Or lifting gate over a spring collection outlet.”
Ray said.
“Old farms did all kinds of smart things with simple hardware.”
“Would it still work?”
Helen asked.
“Partly working and fully safe are different questions.”
Ray pointed toward the pond.
“If there's a live spring under this basin, it may have kept flowing all these years.”
“Pond water hides it.”
“Drought exposed the hardware.”
“Toby moves the control.”
“Flow changes.”
“That explains the rise.”
Toby felt unexpectedly guilty.
“Did I damage it?”
Ray looked at him.
“Maybe.”
“Maybe you freed something.”
“Maybe you jammed something.”
“We don't know.”
He crouched.
“What we do know is we don't pull it again.”
Toby nodded.
Ray walked the downstream face of the dam.
Everything looked dry.
That reassured him.
“For now.”
He said.
“No digging in the dam.”
“No excavating beside the spring.”
“Keep measuring.”
“Watch the downstream slope.”
“Any wet spots, boils, muddy seepage, cracks, slumping, call me.”
Helen asked:
“Could the spring save the pond?”
“Possibly.”
“Could it damage the pond?”
“Possibly.”
“That’s not comforting.”
“Good.”
Ray said.
“You don't want comfort from somebody looking at an old earth dam.”
“You want caution.”
He advised them to contact the local Soil Conservation Service office as well if seepage appeared or the dam changed.
For now, the structure looked stable.
The family waited.