This phrase as well as "delicate carpet so richly spread"(line 12) "glittering diadems crown'd" (line 14), and "ermine mantle" (line 30) invoke an image of natural riches that are available to everyone in the area instead of those who are very wealthy. While the speaker does not explicitely state it, the snow allows individuals who, otherwise, would not have access to material riches to have them in the snow.

The Left’s Covid failure. (2021, November 23). UnHerd. https://unherd.com/2021/11/the-lefts-covid-failure/

Wiwad, D., Mercier, B., Piff, P. K., Shariff, A., & Aknin, L. (2020). Recognizing the Impact of Covid-19 on the Poor Alters Attitudes Towards Poverty and Inequality. PsyArXiv. https://doi.org/10.31234/osf.io/geyt4

Slobin, S. (n.d.). How Remote Work Divides America. Reuters. Retrieved July 27, 2020, from https://graphics.reuters.com/HEALTH-CORONAVIRUS/USA-REMOTEWORK/xlbpgbrljvq/