Rabbi David Ribiat in The 39 Melachos, Volume 2, in Choraish says as follows:
"Pushing a carriage or stroller on bare soil (even soft earth) is
similarly permissible even if a distinct wheel-mark appears. This is
because the rolling motion of the wheels does not loosen the soil, but
rather compresses it (similar to a steam roller that compresses the
A buggy is allowed to be pushed on grass on shabbos even it if causes furrows (Shmiras Shabbos 28:48). Take a look at Shmiras Shabbos 26:19 and the footnotes there to get some idea on what is allowed with respect to walking on moist/dry grass on shabbos. It's not comprehensive but it brings a couple everyday examples that seem to be what you are asking for.
We take extra precautions to prevent the shulchan from becoming tamei, because if it becomes tamei we'll have to interrupt the continuous presence of the lechem hapanim (not to mention disqualifying the current lechem hapanim). But it's still theoretically possible for the shulchan to become tamei, as it did this time, and in that case you'd take it to the ...
Rashi to Shemot 30:16 explains that there were two censuses.
The first census was conducted when they began donating towards the Mishkan, soon after Yom Kippur of the first year. The half-shekels from this census were then used to make the sockets of the Mishkan.
A further census was then conducted (after the Mishkan was inaugurated) at the beginning of ...
''ותנא כשמת עלי הכהן חרבה שילה ובאו לנוב'
And a tanna taught: When Eli the priest died, Shiloh was destroyed and the Jews arrived at Nov, where they erected the Tabernacle.[zevachim 118b]
it was not completely destroyed there still was some kind of a structure there
אמר רבי חייא בר אבין אמר רבי יהושע בן קרחה סח לי זקן אחד פעם אחת הלכתי לשילה והרחתי
First of all Bamidbar 1:51talks about approaching the mishkan to perform the work of taking it down (and setting it up) which was restricted to the Leviyim.
51 When the Tabernacle is set to travel, the Levites shall dismantle
it; and when the Tabernacle camps, the Levites shall erect it; any
outsider [non Levite] who approaches shall be put to death.