Lidar point clouds:
if NOAA Coastal Viewer
has the data you want, it will let you selected the projection, and
will let you get only the area you want.
http://lidar.geodata.md.gov:8080/ExpressZip
--pick surveys, pick an area, and a download zip will be
created. Some counties appears to only be available in the
Psuedo Mercator 3857 projection, which may be hard to use, and
if you try to get multiple counties and one only has 3857, that
is all you can get. The subset also does not appear to
work.
index grid in the Topography Viewer (https://geodata.md.gov/topoviewer/).
When you open the topography viewer, look in the layers and tools on
the right hand side about half way down you will see a Bulk
Downloads option, check that box and the grid will display. Click in
one of the cells and a pop up box will display showing you the block
number. It will also provide an option to download that block, which
tends to be very large.
http://www.ncfloodmaps.com/--20
m and 50 ASC grids which MICRODEM displays, and raw XYZ files for
bare earth which could be imported into the TIN
module or gridded with GMT.
https://www.oregongeology.org/lidar/index.htm. Download by
7.5'quads for 0.5 m grids with DSM,DTM, and lidar intensity, which
are about 2 GB for each quad zipped. They will need to be
reprojected to use in MICRODEM, for instance with QGIS.