Re: Seeking Info -- Lava Tank

That sounds like it mite have been early on.
The below info won't be of much help.
The only dates I've found are:
(Date of report-?)
Engineering Report Page 769 Item No. 9
Tank, Pumphouse, Well,Pipe Lines.
Structure No. 3 Tank.
Wood 24' high, timber frame 10' high,
Concrete Foundation $1840.00.
Structure No. 6 mPump house- Stone 28'X32'$2157.00
Mech. Equip. (2 steam pumps & boilers),$2445.00.
Well-dug 8' dia. 10' deep, $134.00.
Intake pipelines 3" G I P ect. $2382.00
(Note: Pumphouse & Well are at Los Pinos River,
about 2000' south of tank)
AFE # 1435 10-4-1924 Retire Cameron Simplex Pump
& Vert. 36"x78" Boiler & foundation.
New
F-M Oil Engine Type Y, 25 HP #548346.
Pump-Mid Continent duplex 4"x10" cylinder.
Galv. Steel Oil Tank, Cap. 1400 Gals.
Concrete Foundation $2941.53.
AFE # T9709 10-31-1942 Retire Pump, Boiler,
Piping, Sump & Coal Bin from ER (Engineering
Report) $1345.00.
Also at Lava.
Engineering Report Page 767 Item 9
Pumpers House $947.00
Frame, wood shingle roof
Bld. irregular 9120 C F $748.00.
Porches $71.00.
Foundation $128.00.
This was down near the Los Pinos River near the
Pump House. Division has reported that it's gone.
"Correct"-Retire.
And don't forget the Station Sign- value $7.00.