his is copied from a pdf of mine:

i. Buldozer Controls
1. Movement
a. “Mouse” – Move Around
b. “Left Arrow” – Left
c. “Right Arrow” – Right
d. “Up Arrow” – Forward
e. “Down Arrow” – Back
f. “Shift + Mouse” – Move Fast
g. “Numpad 8” – Orbit Camera Up
h. “Numpad 2” – Orbit Camera Down
i. “Numpad 4” – Orbit Camera Right
j. “Numpad 6” – Orbit Camera Left
k. “Numpad +” – Zoom In
l. “Numpad –“ – Zoom Out
m. “Hold Numpad 5” – Free Look
n. “Numpad 0” – Reset Camera
o. “Q” OR “Page Up” – Raise Altitude
p. “Z” OR “Page Down” – Lower Altitude

2. Application
a. “F1” – Menu
b. “S” – Select Mode
c. “F5” – Activate Snap Points (Magnetize Points)
d. “C” – Copies objects in Buldozer (Duplicate Selection)
e. “D” – Removes objects in Buldozer (Remove Selection)
f. “Hold T” – Show Texture Info
g. “Alt + Tab” – Move back to Terrain Builder
h. “Alt + F4” – Quit

3. Standard Terrain Manipulation
a. “H” – Show Terrain Node
b. “U” – Raise Terrain 10cm
c. “I” – Raise Terrain 50cm
d. “O” – Raise Terrain 1m
e. “P” – Raise Terrain 5m
f. “J” – Lower Terrain 10cm
g. “K” – Lower Terrain 50cm
h. “L” – Lower Terrain 1m
i. “;” – Lower Terrain 5m

4. Brush Mode
a. “Left Click” – Raise Terrain
b. “Right Click” – Lower Terrain
c. “B + Mousewheel” – Change Brush Ratio (Green Inner Vertices)
d. “N + Mousewheel” – Change Radius of Outer Vertices (Red)
e. “M + Mousewheel” – Change Brush Density
f. “Hold Left-Shift” – Flatten Tool
i. Left-Shift + M + Mousewheel – Change Flatten Factor
g. “Hold R” – Smooth Tool
i. R + M + Mousewheel – Change Smooth Factor

5. Unknown Functions
a. “Insert” – Switch Camera (Unknown Function)
i. “Spacebar” – Select
b. “F6” – Magnetize Planes (Unknown Function)
c. “F7” – Megnetize Fixed Y (Unknown Function)
d. “Left Ctrl+Z” – Undo (Unknown Function)
e. “Left Ctrl+R” – Redo (Unknown Function)
f. “R” – Randomize
g. “V” – Create Object
h. “X” – Rotate X
i. “Z” – Rotate Y
j. “E” – Scale
k. “W” - Elevate