OutsideBuilding
Outside building
You are standing at the end of a road before a small brick
building.  A small stream flows out of the building and
down a gully to the south.  A road runs up a small hill
to the west.
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WEST       EndOfRoad
UP         EndOfRoad
NORTH      InsideBuilding
IN         InsideBuilding
SOUTH      Valley
DOWN       Valley

EndOfRoad
End of road
You are at the end of a road at the top of a small hill.
You can see a small building in the valley to the east.
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EAST       OutsideBuilding
DOWN       OutsideBuilding

InsideBuilding
Inside building
You are inside a building, a well house for a large spring.
The exit door is to the south.
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SOUTH      OutsideBuilding
OUT        OutsideBuilding
XYZZY      DebrisRoom/LAMP
XYZZY      Darkness

Valley
Valley beside a stream
You are in a valley in the forest beside a stream tumbling
along a rocky bed.  The stream is flowing to the south.
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NORTH      OutsideBuilding
UP         OutsideBuilding
SOUTH      SlitInRock
DOWN       SlitInRock

SlitInRock
Slit in rock
At your feet all the water of the stream splashes into a
two-inch slit in the rock.  To the south, the streambed is
bare rock.
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NORTH      Valley
UP         Valley
SOUTH      OutsideGrate
DOWN       OutsideGrate

OutsideGrate
Outside grate
You are in a 20-foot depression floored with bare dirt.
Set into the dirt is a strong steel grate mounted in
concrete.  A dry streambed leads into the depression from
the north.
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NORTH      SlitInRock
UP         SlitInRock
DOWN       BeneathGrate/KEYS
DOWN       MissingKeys

MissingKeys
Missing keys
The grate is locked and you don't have any keys.
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FORCED     OutsideGrate

BeneathGrate
Beneath grate
You are in a small chamber beneath a 3x3 steel grate to
the surface.  A low crawl over cobbles leads inward to
the west.
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UP         OutsideGrate
OUT        OutsideGrate
IN         CobbleCrawl
WEST       CobbleCrawl

CobbleCrawl
Cobble crawl
You are crawling over cobbles in a low east/west passage.
There is a dim light to the east.
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EAST       BeneathGrate
WEST       DebrisRoom/LAMP
WEST       Darkness

Darkness
Darkness
It is now pitch dark.  If you proceed you will likely fall
into a pit.
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EAST       CobbleCrawl
OUT        CobbleCrawl
XYZZY      InsideBuilding
PLUGH      InsideBuilding
NORTH      Pit
SOUTH      Pit
WEST       Pit
UP         Pit
DOWN       Pit

Pit
Pit
You fell into a pit and broke every bone in your body!
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FORCED     EXIT

DebrisRoom
Debris room
You are in a debris room filled with stuff washed in from
the surface.  A low wide passage with cobbles becomes
plugged with mud and debris here, but an extremely narrow
canyon leads upward and west.  Unfortunately, the passage
is blocked by a barrier marked "Under Construction."
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EAST       CobbleCrawl