Plate at state i
The image is very dark and with little definition. The sky is starting to take shape and while the waterfall is clear it needs more burnishing to bring out the highlights on the water.
Image at state iii
More work on the sky, a combination of scraping and burnishing back the burrs is starting to define the clouds and veils of mist sweeping down the valley towards the waterfall.
Image at state iv
Slowly pulling out and sharpening up the image. At this stage the image is almost ready to edition. The cliff to the left of the waterfall needs to be lightened up, it is supposed to be sunlit! The clouds need to be lightened in parts to break up the uniform grey tone.