As the subject was brought up - the rules of shooting on the range - is posted. Mostly the usual stuff; don't handle gun when someone is downrange, be considerate and so on. No alcohol at all. (There is a nice bar on the way back to town if one is thirsty.)
Also some specific rules: No calibers above a certain level, no targets on ground and target must be hung at a certain level (shown by colors on uprights, not assumed). Most of the specific rules are to avoid stray rounds zinging over the rather high backstop. The National Guard lives over there and they get really snippy about that. Also we have one 'lane' designated for rimfire only with rimfire grade metal targets. Those targets are dented or penetrated by nearly anything centerfire. We also have a 'plate rack' on a lane (not the rimfire lane) and rifle cartridges are prohibited to extend the target life.
These rules are posted on the range firing points. No memorizing needed. Right there in front of God and everybody.
Also the indoor range has a description of cartridges not allowed and reminders to turn on the exhaust fan.